143909360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{256981}}^1$

素因数の和:257001

約数の個数: 40

約数和(自身を含む): 382389216

約数和(自身を除く): 238479856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 256981, 513962, 1027924, 1284905, 1798867, 2055848, 2569810, 3597734, 4111696, 5139620, 7195468, 8994335, 10279240, 14390936, 17988670, 20558480, 28781872, 35977340, 71954680, 143909360]

約数ペア:

[(1, 143909360), (2, 71954680), (4, 35977340), (5, 28781872), (7, 20558480), (8, 17988670), (10, 14390936), (14, 10279240), (16, 8994335), (20, 7195468), (28, 5139620), (35, 4111696), (40, 3597734), (56, 2569810), (70, 2055848), (80, 1798867), (112, 1284905), (140, 1027924), (280, 513962), (560, 256981)]