140053940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28351}}^1$

素因数の和:28392

約数の個数: 48

約数和(自身を含む): 333419520

約数和(自身を除く): 193365580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 28351, 56702, 113404, 141755, 283510, 368563, 538669, 567020, 737126, 1077338, 1474252, 1842815, 2154676, 2693345, 3685630, 5386690, 7002697, 7371260, 10773380, 14005394, 28010788, 35013485, 70026970, 140053940]

約数ペア:

[(1, 140053940), (2, 70026970), (4, 35013485), (5, 28010788), (10, 14005394), (13, 10773380), (19, 7371260), (20, 7002697), (26, 5386690), (38, 3685630), (52, 2693345), (65, 2154676), (76, 1842815), (95, 1474252), (130, 1077338), (190, 737126), (247, 567020), (260, 538669), (380, 368563), (494, 283510), (988, 141755), (1235, 113404), (2470, 56702), (4940, 28351)]