310311625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 452874240

約数和(自身を除く): 142562615

約数列:

[1, 5, 13, 17, 25, 47, 65, 85, 125, 221, 235, 239, 325, 425, 611, 799, 1105, 1175, 1195, 1625, 2125, 3055, 3107, 3995, 4063, 5525, 5875, 5975, 10387, 11233, 15275, 15535, 19975, 20315, 27625, 29875, 51935, 52819, 56165, 76375, 77675, 99875, 101575, 146029, 190961, 259675, 264095, 280825, 388375, 507875, 730145, 954805, 1298375, 1320475, 1404125, 2482493, 3650725, 4774025, 6602375, 12412465, 18253625, 23870125, 62062325, 310311625]

約数ペア:

[(1, 310311625), (5, 62062325), (13, 23870125), (17, 18253625), (25, 12412465), (47, 6602375), (65, 4774025), (85, 3650725), (125, 2482493), (221, 1404125), (235, 1320475), (239, 1298375), (325, 954805), (425, 730145), (611, 507875), (799, 388375), (1105, 280825), (1175, 264095), (1195, 259675), (1625, 190961), (2125, 146029), (3055, 101575), (3107, 99875), (3995, 77675), (4063, 76375), (5525, 56165), (5875, 52819), (5975, 51935), (10387, 29875), (11233, 27625), (15275, 20315), (15535, 19975)]