291242920

素因数分解:

$2^3\times 5^1\times {\mathrm{1433}}^1\times {\mathrm{5081}}^1$

素因数の和:6525

約数の個数: 32

約数和(自身を含む): 655882920

約数和(自身を除く): 364640000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1433, 2866, 5081, 5732, 7165, 10162, 11464, 14330, 20324, 25405, 28660, 40648, 50810, 57320, 101620, 203240, 7281073, 14562146, 29124292, 36405365, 58248584, 72810730, 145621460, 291242920]

約数ペア:

[(1, 291242920), (2, 145621460), (4, 72810730), (5, 58248584), (8, 36405365), (10, 29124292), (20, 14562146), (40, 7281073), (1433, 203240), (2866, 101620), (5081, 57320), (5732, 50810), (7165, 40648), (10162, 28660), (11464, 25405), (14330, 20324)]