131569375

素因数分解:

$5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 209183040

約数和(自身を除く): 77613665

約数列:

[1, 5, 7, 17, 25, 29, 35, 61, 85, 119, 125, 145, 175, 203, 305, 425, 427, 493, 595, 625, 725, 875, 1015, 1037, 1525, 1769, 2125, 2135, 2465, 2975, 3451, 3625, 4375, 5075, 5185, 7259, 7625, 8845, 10625, 10675, 12325, 12383, 14875, 17255, 18125, 25375, 25925, 30073, 36295, 38125, 44225, 53375, 61625, 61915, 74375, 86275, 126875, 129625, 150365, 181475, 210511, 221125, 266875, 308125, 309575, 431375, 648125, 751825, 907375, 1052555, 1105625, 1547875, 2156875, 3759125, 4536875, 5262775, 7739375, 18795625, 26313875, 131569375]

約数ペア:

[(1, 131569375), (5, 26313875), (7, 18795625), (17, 7739375), (25, 5262775), (29, 4536875), (35, 3759125), (61, 2156875), (85, 1547875), (119, 1105625), (125, 1052555), (145, 907375), (175, 751825), (203, 648125), (305, 431375), (425, 309575), (427, 308125), (493, 266875), (595, 221125), (625, 210511), (725, 181475), (875, 150365), (1015, 129625), (1037, 126875), (1525, 86275), (1769, 74375), (2125, 61915), (2135, 61625), (2465, 53375), (2975, 44225), (3451, 38125), (3625, 36295), (4375, 30073), (5075, 25925), (5185, 25375), (7259, 18125), (7625, 17255), (8845, 14875), (10625, 12383), (10675, 12325)]