123288625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 176417280

約数和(自身を除く): 53128655

約数列:

[1, 5, 19, 23, 25, 37, 61, 95, 115, 125, 185, 305, 437, 475, 575, 703, 851, 925, 1159, 1403, 1525, 2185, 2257, 2375, 2875, 3515, 4255, 4625, 5795, 7015, 7625, 10925, 11285, 16169, 17575, 21275, 26657, 28975, 35075, 42883, 51911, 54625, 56425, 80845, 87875, 106375, 133285, 144875, 175375, 214415, 259555, 282125, 404225, 666425, 986309, 1072075, 1297775, 2021125, 3332125, 4931545, 5360375, 6488875, 24657725, 123288625]

約数ペア:

[(1, 123288625), (5, 24657725), (19, 6488875), (23, 5360375), (25, 4931545), (37, 3332125), (61, 2021125), (95, 1297775), (115, 1072075), (125, 986309), (185, 666425), (305, 404225), (437, 282125), (475, 259555), (575, 214415), (703, 175375), (851, 144875), (925, 133285), (1159, 106375), (1403, 87875), (1525, 80845), (2185, 56425), (2257, 54625), (2375, 51911), (2875, 42883), (3515, 35075), (4255, 28975), (4625, 26657), (5795, 21275), (7015, 17575), (7625, 16169), (10925, 11285)]