906245840

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{27697}}^1$

素因数の和:28119

約数の個数: 40

約数和(自身を含む): 2112249480

約数和(自身を除く): 1206003640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 27697, 32720, 55394, 110788, 138485, 221576, 276970, 443152, 553940, 1107880, 2215760, 11328073, 22656146, 45312292, 56640365, 90624584, 113280730, 181249168, 226561460, 453122920, 906245840]

約数ペア:

[(1, 906245840), (2, 453122920), (4, 226561460), (5, 181249168), (8, 113280730), (10, 90624584), (16, 56640365), (20, 45312292), (40, 22656146), (80, 11328073), (409, 2215760), (818, 1107880), (1636, 553940), (2045, 443152), (3272, 276970), (4090, 221576), (6544, 138485), (8180, 110788), (16360, 55394), (27697, 32720)]