222258550

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^2\times {\mathrm{419}}^1$

素因数の和:637

約数の個数: 36

約数和(自身を含む): 418449780

約数和(自身を除く): 196191230

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 419, 515, 838, 1030, 2095, 2575, 4190, 5150, 10475, 10609, 20950, 21218, 43157, 53045, 86314, 106090, 215785, 265225, 431570, 530450, 1078925, 2157850, 4445171, 8890342, 22225855, 44451710, 111129275, 222258550]

約数ペア:

[(1, 222258550), (2, 111129275), (5, 44451710), (10, 22225855), (25, 8890342), (50, 4445171), (103, 2157850), (206, 1078925), (419, 530450), (515, 431570), (838, 265225), (1030, 215785), (2095, 106090), (2575, 86314), (4190, 53045), (5150, 43157), (10475, 21218), (10609, 20950)]