221998920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:816

約数の個数: 256

約数和(自身を含む): 829543680

約数和(自身を除く): 607544760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 17, 20, 22, 24, 26, 30, 33, 34, 39, 40, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 88, 102, 104, 110, 120, 130, 132, 136, 143, 156, 165, 170, 187, 195, 204, 220, 221, 255, 260, 264, 286, 312, 330, 340, 374, 390, 408, 429, 440, 442, 510, 520, 561, 572, 660, 663, 680, 715, 748, 761, 780, 858, 884, 935, 1020, 1105, 1122, 1144, 1320, 1326, 1430, 1496, 1522, 1560, 1716, 1768, 1870, 2040, 2145, 2210, 2244, 2283, 2431, 2652, 2805, 2860, 3044, 3315, 3432, 3740, 3805, 4290, 4420, 4488, 4566, 4862, 5304, 5610, 5720, 6088, 6630, 7293, 7480, 7610, 8371, 8580, 8840, 9132, 9724, 9893, 11220, 11415, 12155, 12937, 13260, 14586, 15220, 16742, 17160, 18264, 19448, 19786, 22440, 22830, 24310, 25113, 25874, 26520, 29172, 29679, 30440, 33484, 36465, 38811, 39572, 41855, 45660, 48620, 49465, 50226, 51748, 58344, 59358, 64685, 66968, 72930, 77622, 79144, 83710, 91320, 97240, 98930, 100452, 103496, 108823, 118716, 125565, 129370, 142307, 145860, 148395, 155244, 167420, 168181, 194055, 197860, 200904, 217646, 237432, 251130, 258740, 284614, 291720, 296790, 310488, 326469, 334840, 336362, 388110, 395720, 426921, 435292, 502260, 504543, 517480, 544115, 569228, 593580, 652938, 672724, 711535, 776220, 840905, 853842, 870584, 1004520, 1009086, 1088230, 1138456, 1187160, 1305876, 1345448, 1423070, 1552440, 1632345, 1681810, 1707684, 1849991, 2018172, 2134605, 2176460, 2522715, 2611752, 2846140, 3264690, 3363620, 3415368, 3699982, 4036344, 4269210, 4352920, 5045430, 5549973, 5692280, 6529380, 6727240, 7399964, 8538420, 9249955, 10090860, 11099946, 13058760, 14799928, 17076840, 18499910, 20181720, 22199892, 27749865, 36999820, 44399784, 55499730, 73999640, 110999460, 221998920]

約数ペア:

[(1, 221998920), (2, 110999460), (3, 73999640), (4, 55499730), (5, 44399784), (6, 36999820), (8, 27749865), (10, 22199892), (11, 20181720), (12, 18499910), (13, 17076840), (15, 14799928), (17, 13058760), (20, 11099946), (22, 10090860), (24, 9249955), (26, 8538420), (30, 7399964), (33, 6727240), (34, 6529380), (39, 5692280), (40, 5549973), (44, 5045430), (51, 4352920), (52, 4269210), (55, 4036344), (60, 3699982), (65, 3415368), (66, 3363620), (68, 3264690), (78, 2846140), (85, 2611752), (88, 2522715), (102, 2176460), (104, 2134605), (110, 2018172), (120, 1849991), (130, 1707684), (132, 1681810), (136, 1632345), (143, 1552440), (156, 1423070), (165, 1345448), (170, 1305876), (187, 1187160), (195, 1138456), (204, 1088230), (220, 1009086), (221, 1004520), (255, 870584), (260, 853842), (264, 840905), (286, 776220), (312, 711535), (330, 672724), (340, 652938), (374, 593580), (390, 569228), (408, 544115), (429, 517480), (440, 504543), (442, 502260), (510, 435292), (520, 426921), (561, 395720), (572, 388110), (660, 336362), (663, 334840), (680, 326469), (715, 310488), (748, 296790), (761, 291720), (780, 284614), (858, 258740), (884, 251130), (935, 237432), (1020, 217646), (1105, 200904), (1122, 197860), (1144, 194055), (1320, 168181), (1326, 167420), (1430, 155244), (1496, 148395), (1522, 145860), (1560, 142307), (1716, 129370), (1768, 125565), (1870, 118716), (2040, 108823), (2145, 103496), (2210, 100452), (2244, 98930), (2283, 97240), (2431, 91320), (2652, 83710), (2805, 79144), (2860, 77622), (3044, 72930), (3315, 66968), (3432, 64685), (3740, 59358), (3805, 58344), (4290, 51748), (4420, 50226), (4488, 49465), (4566, 48620), (4862, 45660), (5304, 41855), (5610, 39572), (5720, 38811), (6088, 36465), (6630, 33484), (7293, 30440), (7480, 29679), (7610, 29172), (8371, 26520), (8580, 25874), (8840, 25113), (9132, 24310), (9724, 22830), (9893, 22440), (11220, 19786), (11415, 19448), (12155, 18264), (12937, 17160), (13260, 16742), (14586, 15220)]