221427350

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 420040080

約数和(自身を除く): 198612730

約数列:

[1, 2, 5, 10, 25, 50, 101, 163, 202, 269, 326, 505, 538, 815, 1010, 1345, 1630, 2525, 2690, 4075, 5050, 6725, 8150, 13450, 16463, 27169, 32926, 43847, 54338, 82315, 87694, 135845, 164630, 219235, 271690, 411575, 438470, 679225, 823150, 1096175, 1358450, 2192350, 4428547, 8857094, 22142735, 44285470, 110713675, 221427350]

約数ペア:

[(1, 221427350), (2, 110713675), (5, 44285470), (10, 22142735), (25, 8857094), (50, 4428547), (101, 2192350), (163, 1358450), (202, 1096175), (269, 823150), (326, 679225), (505, 438470), (538, 411575), (815, 271690), (1010, 219235), (1345, 164630), (1630, 135845), (2525, 87694), (2690, 82315), (4075, 54338), (5050, 43847), (6725, 32926), (8150, 27169), (13450, 16463)]