1900303020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1$

素因数の和:1021

約数の個数: 288

約数和(自身を含む): 7238439936

約数和(自身を除く): 5338136916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 167, 180, 198, 210, 220, 231, 252, 308, 315, 330, 334, 385, 396, 420, 462, 495, 501, 630, 660, 668, 693, 770, 821, 835, 924, 990, 1002, 1155, 1169, 1260, 1386, 1503, 1540, 1642, 1670, 1837, 1980, 2004, 2310, 2338, 2463, 2505, 2772, 3006, 3284, 3340, 3465, 3507, 3674, 4105, 4620, 4676, 4926, 5010, 5511, 5747, 5845, 6012, 6930, 7014, 7348, 7389, 7515, 8210, 9031, 9185, 9852, 10020, 10521, 11022, 11494, 11690, 12315, 12859, 13860, 14028, 14778, 15030, 16420, 16533, 17241, 17535, 18062, 18370, 21042, 22044, 22988, 23380, 24630, 25718, 27093, 27555, 28735, 29556, 30060, 33066, 34482, 35070, 36124, 36740, 36945, 38577, 42084, 45155, 49260, 51436, 51723, 52605, 54186, 55110, 57470, 63217, 64295, 66132, 68964, 70140, 73890, 77154, 81279, 82665, 86205, 90310, 103446, 105210, 108372, 110220, 114940, 115731, 126434, 128590, 135465, 137107, 147780, 154308, 162558, 165330, 172410, 180620, 189651, 192885, 206892, 210420, 231462, 252868, 257180, 258615, 270930, 274214, 316085, 325116, 330660, 344820, 379302, 385770, 406395, 411321, 462924, 517230, 541860, 548428, 568953, 578655, 632170, 685535, 758604, 771540, 812790, 822642, 948255, 959749, 1034460, 1137906, 1157310, 1233963, 1264340, 1371070, 1508177, 1625580, 1645284, 1896510, 1919498, 2056605, 2275812, 2314620, 2467926, 2742140, 2844765, 2879247, 3016354, 3793020, 3838996, 4113210, 4524531, 4798745, 4935852, 5689530, 5758494, 6032708, 6169815, 7540885, 8226420, 8637741, 9049062, 9597490, 10557239, 11379060, 11516988, 12339630, 13573593, 14396235, 15081770, 17275482, 18098124, 19194980, 21114478, 22622655, 24679260, 27147186, 28792470, 30163540, 31671717, 34550964, 42228956, 43188705, 45245310, 52786195, 54294372, 57584940, 63343434, 67867965, 86377410, 90490620, 95015151, 105572390, 126686868, 135735930, 158358585, 172754820, 190030302, 211144780, 271471860, 316717170, 380060604, 475075755, 633434340, 950151510, 1900303020]

約数ペア:

[(1, 1900303020), (2, 950151510), (3, 633434340), (4, 475075755), (5, 380060604), (6, 316717170), (7, 271471860), (9, 211144780), (10, 190030302), (11, 172754820), (12, 158358585), (14, 135735930), (15, 126686868), (18, 105572390), (20, 95015151), (21, 90490620), (22, 86377410), (28, 67867965), (30, 63343434), (33, 57584940), (35, 54294372), (36, 52786195), (42, 45245310), (44, 43188705), (45, 42228956), (55, 34550964), (60, 31671717), (63, 30163540), (66, 28792470), (70, 27147186), (77, 24679260), (84, 22622655), (90, 21114478), (99, 19194980), (105, 18098124), (110, 17275482), (126, 15081770), (132, 14396235), (140, 13573593), (154, 12339630), (165, 11516988), (167, 11379060), (180, 10557239), (198, 9597490), (210, 9049062), (220, 8637741), (231, 8226420), (252, 7540885), (308, 6169815), (315, 6032708), (330, 5758494), (334, 5689530), (385, 4935852), (396, 4798745), (420, 4524531), (462, 4113210), (495, 3838996), (501, 3793020), (630, 3016354), (660, 2879247), (668, 2844765), (693, 2742140), (770, 2467926), (821, 2314620), (835, 2275812), (924, 2056605), (990, 1919498), (1002, 1896510), (1155, 1645284), (1169, 1625580), (1260, 1508177), (1386, 1371070), (1503, 1264340), (1540, 1233963), (1642, 1157310), (1670, 1137906), (1837, 1034460), (1980, 959749), (2004, 948255), (2310, 822642), (2338, 812790), (2463, 771540), (2505, 758604), (2772, 685535), (3006, 632170), (3284, 578655), (3340, 568953), (3465, 548428), (3507, 541860), (3674, 517230), (4105, 462924), (4620, 411321), (4676, 406395), (4926, 385770), (5010, 379302), (5511, 344820), (5747, 330660), (5845, 325116), (6012, 316085), (6930, 274214), (7014, 270930), (7348, 258615), (7389, 257180), (7515, 252868), (8210, 231462), (9031, 210420), (9185, 206892), (9852, 192885), (10020, 189651), (10521, 180620), (11022, 172410), (11494, 165330), (11690, 162558), (12315, 154308), (12859, 147780), (13860, 137107), (14028, 135465), (14778, 128590), (15030, 126434), (16420, 115731), (16533, 114940), (17241, 110220), (17535, 108372), (18062, 105210), (18370, 103446), (21042, 90310), (22044, 86205), (22988, 82665), (23380, 81279), (24630, 77154), (25718, 73890), (27093, 70140), (27555, 68964), (28735, 66132), (29556, 64295), (30060, 63217), (33066, 57470), (34482, 55110), (35070, 54186), (36124, 52605), (36740, 51723), (36945, 51436), (38577, 49260), (42084, 45155)]