1788291220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1224857}}^1$

素因数の和:1224939

約数の個数: 24

約数和(自身を含む): 3806858664

約数和(自身を除く): 2018567444

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1224857, 2449714, 4899428, 6124285, 12248570, 24497140, 89414561, 178829122, 357658244, 447072805, 894145610, 1788291220]

約数ペア:

[(1, 1788291220), (2, 894145610), (4, 447072805), (5, 357658244), (10, 178829122), (20, 89414561), (73, 24497140), (146, 12248570), (292, 6124285), (365, 4899428), (730, 2449714), (1460, 1224857)]