331908625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 464256000

約数和(自身を除く): 132347375

約数列:

[1, 5, 19, 25, 29, 61, 79, 95, 125, 145, 305, 395, 475, 551, 725, 1159, 1501, 1525, 1769, 1975, 2291, 2375, 2755, 3625, 4819, 5795, 7505, 7625, 8845, 9875, 11455, 13775, 24095, 28975, 33611, 37525, 43529, 44225, 57275, 68875, 91561, 120475, 139751, 144875, 168055, 187625, 217645, 221125, 286375, 457805, 602375, 698755, 840275, 1088225, 2289025, 2655269, 3493775, 4201375, 5441125, 11445125, 13276345, 17468875, 66381725, 331908625]

約数ペア:

[(1, 331908625), (5, 66381725), (19, 17468875), (25, 13276345), (29, 11445125), (61, 5441125), (79, 4201375), (95, 3493775), (125, 2655269), (145, 2289025), (305, 1088225), (395, 840275), (475, 698755), (551, 602375), (725, 457805), (1159, 286375), (1501, 221125), (1525, 217645), (1769, 187625), (1975, 168055), (2291, 144875), (2375, 139751), (2755, 120475), (3625, 91561), (4819, 68875), (5795, 57275), (7505, 44225), (7625, 43529), (8845, 37525), (9875, 33611), (11455, 28975), (13775, 24095)]