2931865775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 4138485120

約数和(自身を除く): 1206619345

約数列:

[1, 5, 19, 23, 25, 43, 79, 95, 115, 215, 395, 437, 475, 575, 817, 989, 1075, 1501, 1817, 1975, 2185, 3397, 4085, 4945, 6241, 7505, 9085, 10925, 16985, 18791, 20425, 24725, 31205, 34523, 37525, 45425, 64543, 78131, 84925, 93955, 118579, 143543, 156025, 172615, 268363, 322715, 390655, 469775, 592895, 717715, 863075, 1341815, 1484489, 1613575, 1953275, 2727317, 2964475, 3588575, 5098897, 6172349, 6709075, 7422445, 13636585, 25494485, 30861745, 37112225, 68182925, 117274631, 127472425, 154308725, 586373155, 2931865775]

約数ペア:

[(1, 2931865775), (5, 586373155), (19, 154308725), (23, 127472425), (25, 117274631), (43, 68182925), (79, 37112225), (95, 30861745), (115, 25494485), (215, 13636585), (395, 7422445), (437, 6709075), (475, 6172349), (575, 5098897), (817, 3588575), (989, 2964475), (1075, 2727317), (1501, 1953275), (1817, 1613575), (1975, 1484489), (2185, 1341815), (3397, 863075), (4085, 717715), (4945, 592895), (6241, 469775), (7505, 390655), (9085, 322715), (10925, 268363), (16985, 172615), (18791, 156025), (20425, 143543), (24725, 118579), (31205, 93955), (34523, 84925), (37525, 78131), (45425, 64543)]