275240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{983}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 708480

約数和(自身を除く): 433240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 983, 1966, 3932, 4915, 6881, 7864, 9830, 13762, 19660, 27524, 34405, 39320, 55048, 68810, 137620, 275240]

約数ペア:

[(1, 275240), (2, 137620), (4, 68810), (5, 55048), (7, 39320), (8, 34405), (10, 27524), (14, 19660), (20, 13762), (28, 9830), (35, 7864), (40, 6881), (56, 4915), (70, 3932), (140, 1966), (280, 983)]