442645240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{155861}}^1$

素因数の和:155943

約数の個数: 32

約数和(自身を含む): 1009985760

約数和(自身を除く): 567340520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 155861, 311722, 623444, 779305, 1246888, 1558610, 3117220, 6234440, 11066131, 22132262, 44264524, 55330655, 88529048, 110661310, 221322620, 442645240]

約数ペア:

[(1, 442645240), (2, 221322620), (4, 110661310), (5, 88529048), (8, 55330655), (10, 44264524), (20, 22132262), (40, 11066131), (71, 6234440), (142, 3117220), (284, 1558610), (355, 1246888), (568, 779305), (710, 623444), (1420, 311722), (2840, 155861)]