220746625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4339}}^1$

素因数の和:4402

約数の個数: 32

約数和(自身を含む): 308730240

約数和(自身を除く): 87983615

約数列:

[1, 5, 11, 25, 37, 55, 125, 185, 275, 407, 925, 1375, 2035, 4339, 4625, 10175, 21695, 47729, 50875, 108475, 160543, 238645, 542375, 802715, 1193225, 1765973, 4013575, 5966125, 8829865, 20067875, 44149325, 220746625]

約数ペア:

[(1, 220746625), (5, 44149325), (11, 20067875), (25, 8829865), (37, 5966125), (55, 4013575), (125, 1765973), (185, 1193225), (275, 802715), (407, 542375), (925, 238645), (1375, 160543), (2035, 108475), (4339, 50875), (4625, 47729), (10175, 21695)]