90837400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{6397}}^1$

素因数の和:6484

約数の個数: 48

約数和(自身を含む): 214205040

約数和(自身を除く): 123367640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 6397, 7100, 12794, 14200, 25588, 31985, 51176, 63970, 127940, 159925, 255880, 319850, 454187, 639700, 908374, 1279400, 1816748, 2270935, 3633496, 4541870, 9083740, 11354675, 18167480, 22709350, 45418700, 90837400]

約数ペア:

[(1, 90837400), (2, 45418700), (4, 22709350), (5, 18167480), (8, 11354675), (10, 9083740), (20, 4541870), (25, 3633496), (40, 2270935), (50, 1816748), (71, 1279400), (100, 908374), (142, 639700), (200, 454187), (284, 319850), (355, 255880), (568, 159925), (710, 127940), (1420, 63970), (1775, 51176), (2840, 31985), (3550, 25588), (6397, 14200), (7100, 12794)]