201445460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{141863}}^1$

素因数の和:141943

約数の個数: 24

約数和(自身を含む): 428996736

約数和(自身を除く): 227551276

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 141863, 283726, 567452, 709315, 1418630, 2837260, 10072273, 20144546, 40289092, 50361365, 100722730, 201445460]

約数ペア:

[(1, 201445460), (2, 100722730), (4, 50361365), (5, 40289092), (10, 20144546), (20, 10072273), (71, 2837260), (142, 1418630), (284, 709315), (355, 567452), (710, 283726), (1420, 141863)]