90488125

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 146253184

約数和(自身を除く): 55765059

約数列:

[1, 5, 7, 13, 25, 35, 37, 43, 65, 91, 125, 175, 185, 215, 259, 301, 325, 455, 481, 559, 625, 875, 925, 1075, 1295, 1505, 1591, 1625, 2275, 2405, 2795, 3367, 3913, 4375, 4625, 5375, 6475, 7525, 7955, 8125, 11137, 11375, 12025, 13975, 16835, 19565, 20683, 23125, 26875, 32375, 37625, 39775, 55685, 56875, 60125, 69875, 84175, 97825, 103415, 144781, 161875, 188125, 198875, 278425, 300625, 349375, 420875, 489125, 517075, 723905, 994375, 1392125, 2104375, 2445625, 2585375, 3619525, 6960625, 12926875, 18097625, 90488125]

約数ペア:

[(1, 90488125), (5, 18097625), (7, 12926875), (13, 6960625), (25, 3619525), (35, 2585375), (37, 2445625), (43, 2104375), (65, 1392125), (91, 994375), (125, 723905), (175, 517075), (185, 489125), (215, 420875), (259, 349375), (301, 300625), (325, 278425), (455, 198875), (481, 188125), (559, 161875), (625, 144781), (875, 103415), (925, 97825), (1075, 84175), (1295, 69875), (1505, 60125), (1591, 56875), (1625, 55685), (2275, 39775), (2405, 37625), (2795, 32375), (3367, 26875), (3913, 23125), (4375, 20683), (4625, 19565), (5375, 16835), (6475, 13975), (7525, 12025), (7955, 11375), (8125, 11137)]