289278320

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{20201}}^1$

素因数の和:20393

約数の個数: 40

約数和(自身を含む): 676362960

約数和(自身を除く): 387084640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 14320, 20201, 40402, 80804, 101005, 161608, 202010, 323216, 404020, 808040, 1616080, 3615979, 7231958, 14463916, 18079895, 28927832, 36159790, 57855664, 72319580, 144639160, 289278320]

約数ペア:

[(1, 289278320), (2, 144639160), (4, 72319580), (5, 57855664), (8, 36159790), (10, 28927832), (16, 18079895), (20, 14463916), (40, 7231958), (80, 3615979), (179, 1616080), (358, 808040), (716, 404020), (895, 323216), (1432, 202010), (1790, 161608), (2864, 101005), (3580, 80804), (7160, 40402), (14320, 20201)]