719140040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{2671}}^1$

素因数の和:2862

約数の個数: 64

約数和(自身を含む): 1662197760

約数和(自身を除く): 943057720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 127, 212, 254, 265, 424, 508, 530, 635, 1016, 1060, 1270, 2120, 2540, 2671, 5080, 5342, 6731, 10684, 13355, 13462, 21368, 26710, 26924, 33655, 53420, 53848, 67310, 106840, 134620, 141563, 269240, 283126, 339217, 566252, 678434, 707815, 1132504, 1356868, 1415630, 1696085, 2713736, 2831260, 3392170, 5662520, 6784340, 13568680, 17978501, 35957002, 71914004, 89892505, 143828008, 179785010, 359570020, 719140040]

約数ペア:

[(1, 719140040), (2, 359570020), (4, 179785010), (5, 143828008), (8, 89892505), (10, 71914004), (20, 35957002), (40, 17978501), (53, 13568680), (106, 6784340), (127, 5662520), (212, 3392170), (254, 2831260), (265, 2713736), (424, 1696085), (508, 1415630), (530, 1356868), (635, 1132504), (1016, 707815), (1060, 678434), (1270, 566252), (2120, 339217), (2540, 283126), (2671, 269240), (5080, 141563), (5342, 134620), (6731, 106840), (10684, 67310), (13355, 53848), (13462, 53420), (21368, 33655), (26710, 26924)]