643618220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 1588543488

約数和(自身を除く): 944925268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 127, 140, 212, 254, 265, 371, 508, 530, 635, 683, 742, 889, 1060, 1270, 1366, 1484, 1778, 1855, 2540, 2732, 3415, 3556, 3710, 4445, 4781, 6731, 6830, 7420, 8890, 9562, 13462, 13660, 17780, 19124, 23905, 26924, 33655, 36199, 47117, 47810, 67310, 72398, 86741, 94234, 95620, 134620, 144796, 173482, 180995, 188468, 235585, 253393, 346964, 361990, 433705, 471170, 506786, 607187, 723980, 867410, 942340, 1013572, 1214374, 1266965, 1734820, 2428748, 2533930, 3035935, 4597273, 5067860, 6071870, 9194546, 12143740, 18389092, 22986365, 32180911, 45972730, 64361822, 91945460, 128723644, 160904555, 321809110, 643618220]

約数ペア:

[(1, 643618220), (2, 321809110), (4, 160904555), (5, 128723644), (7, 91945460), (10, 64361822), (14, 45972730), (20, 32180911), (28, 22986365), (35, 18389092), (53, 12143740), (70, 9194546), (106, 6071870), (127, 5067860), (140, 4597273), (212, 3035935), (254, 2533930), (265, 2428748), (371, 1734820), (508, 1266965), (530, 1214374), (635, 1013572), (683, 942340), (742, 867410), (889, 723980), (1060, 607187), (1270, 506786), (1366, 471170), (1484, 433705), (1778, 361990), (1855, 346964), (2540, 253393), (2732, 235585), (3415, 188468), (3556, 180995), (3710, 173482), (4445, 144796), (4781, 134620), (6731, 95620), (6830, 94234), (7420, 86741), (8890, 72398), (9562, 67310), (13462, 47810), (13660, 47117), (17780, 36199), (19124, 33655), (23905, 26924)]