890930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 24

約数和(自身を含む): 1674756

約数和(自身を除く): 783826

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 1681, 2173, 3362, 4346, 8405, 10865, 16810, 21730, 89093, 178186, 445465, 890930]

約数ペア:

[(1, 890930), (2, 445465), (5, 178186), (10, 89093), (41, 21730), (53, 16810), (82, 10865), (106, 8405), (205, 4346), (265, 3362), (410, 2173), (530, 1681)]