639348570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:322

約数の個数: 192

約数和(自身を含む): 1965600000

約数和(自身を除く): 1326251430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 139, 147, 149, 210, 245, 278, 294, 298, 315, 343, 417, 441, 447, 490, 630, 686, 695, 735, 745, 834, 882, 894, 973, 1029, 1043, 1251, 1341, 1390, 1470, 1490, 1715, 1946, 2058, 2085, 2086, 2205, 2235, 2502, 2682, 2919, 3087, 3129, 3430, 4170, 4410, 4470, 4865, 5145, 5215, 5838, 6174, 6255, 6258, 6705, 6811, 7301, 8757, 9387, 9730, 10290, 10430, 12510, 13410, 13622, 14595, 14602, 15435, 15645, 17514, 18774, 20433, 20711, 21903, 29190, 30870, 31290, 34055, 36505, 40866, 41422, 43785, 43806, 46935, 47677, 51107, 61299, 62133, 65709, 68110, 73010, 87570, 93870, 95354, 102165, 102214, 103555, 109515, 122598, 124266, 131418, 143031, 144977, 153321, 186399, 204330, 207110, 219030, 238385, 255535, 286062, 289954, 306495, 306642, 310665, 328545, 372798, 429093, 434931, 459963, 476770, 511070, 612990, 621330, 657090, 715155, 724885, 766605, 858186, 869862, 919926, 931995, 1014839, 1304793, 1430310, 1449770, 1533210, 1863990, 2029678, 2145465, 2174655, 2299815, 2609586, 3044517, 4290930, 4349310, 4599630, 5074195, 6089034, 6523965, 7103873, 9133551, 10148390, 13047930, 14207746, 15222585, 18267102, 21311619, 30445170, 35519365, 42623238, 45667755, 63934857, 71038730, 91335510, 106558095, 127869714, 213116190, 319674285, 639348570]

約数ペア:

[(1, 639348570), (2, 319674285), (3, 213116190), (5, 127869714), (6, 106558095), (7, 91335510), (9, 71038730), (10, 63934857), (14, 45667755), (15, 42623238), (18, 35519365), (21, 30445170), (30, 21311619), (35, 18267102), (42, 15222585), (45, 14207746), (49, 13047930), (63, 10148390), (70, 9133551), (90, 7103873), (98, 6523965), (105, 6089034), (126, 5074195), (139, 4599630), (147, 4349310), (149, 4290930), (210, 3044517), (245, 2609586), (278, 2299815), (294, 2174655), (298, 2145465), (315, 2029678), (343, 1863990), (417, 1533210), (441, 1449770), (447, 1430310), (490, 1304793), (630, 1014839), (686, 931995), (695, 919926), (735, 869862), (745, 858186), (834, 766605), (882, 724885), (894, 715155), (973, 657090), (1029, 621330), (1043, 612990), (1251, 511070), (1341, 476770), (1390, 459963), (1470, 434931), (1490, 429093), (1715, 372798), (1946, 328545), (2058, 310665), (2085, 306642), (2086, 306495), (2205, 289954), (2235, 286062), (2502, 255535), (2682, 238385), (2919, 219030), (3087, 207110), (3129, 204330), (3430, 186399), (4170, 153321), (4410, 144977), (4470, 143031), (4865, 131418), (5145, 124266), (5215, 122598), (5838, 109515), (6174, 103555), (6255, 102214), (6258, 102165), (6705, 95354), (6811, 93870), (7301, 87570), (8757, 73010), (9387, 68110), (9730, 65709), (10290, 62133), (10430, 61299), (12510, 51107), (13410, 47677), (13622, 46935), (14595, 43806), (14602, 43785), (15435, 41422), (15645, 40866), (17514, 36505), (18774, 34055), (20433, 31290), (20711, 30870), (21903, 29190)]