157798480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281783}}^1$

素因数の和:281803

約数の個数: 40

約数和(自身を含む): 419294592

約数和(自身を除く): 261496112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 281783, 563566, 1127132, 1408915, 1972481, 2254264, 2817830, 3944962, 4508528, 5635660, 7889924, 9862405, 11271320, 15779848, 19724810, 22542640, 31559696, 39449620, 78899240, 157798480]

約数ペア:

[(1, 157798480), (2, 78899240), (4, 39449620), (5, 31559696), (7, 22542640), (8, 19724810), (10, 15779848), (14, 11271320), (16, 9862405), (20, 7889924), (28, 5635660), (35, 4508528), (40, 3944962), (56, 2817830), (70, 2254264), (80, 1972481), (112, 1408915), (140, 1127132), (280, 563566), (560, 281783)]