1641400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 3961800

約数和(自身を除く): 2320400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 283, 290, 566, 580, 725, 1132, 1160, 1415, 1450, 2264, 2830, 2900, 5660, 5800, 7075, 8207, 11320, 14150, 16414, 28300, 32828, 41035, 56600, 65656, 82070, 164140, 205175, 328280, 410350, 820700, 1641400]

約数ペア:

[(1, 1641400), (2, 820700), (4, 410350), (5, 328280), (8, 205175), (10, 164140), (20, 82070), (25, 65656), (29, 56600), (40, 41035), (50, 32828), (58, 28300), (100, 16414), (116, 14150), (145, 11320), (200, 8207), (232, 7075), (283, 5800), (290, 5660), (566, 2900), (580, 2830), (725, 2264), (1132, 1450), (1160, 1415)]