31502870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1205

約数の個数: 64

約数和(自身を含む): 71663616

約数和(自身を除く): 40160746

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 782, 805, 1151, 1190, 1610, 1955, 2302, 2737, 3910, 5474, 5755, 8057, 11510, 13685, 16114, 19567, 26473, 27370, 39134, 40285, 52946, 80570, 97835, 132365, 136969, 185311, 195670, 264730, 273938, 370622, 450041, 684845, 900082, 926555, 1369690, 1853110, 2250205, 3150287, 4500410, 6300574, 15751435, 31502870]

約数ペア:

[(1, 31502870), (2, 15751435), (5, 6300574), (7, 4500410), (10, 3150287), (14, 2250205), (17, 1853110), (23, 1369690), (34, 926555), (35, 900082), (46, 684845), (70, 450041), (85, 370622), (115, 273938), (119, 264730), (161, 195670), (170, 185311), (230, 136969), (238, 132365), (322, 97835), (391, 80570), (595, 52946), (782, 40285), (805, 39134), (1151, 27370), (1190, 26473), (1610, 19567), (1955, 16114), (2302, 13685), (2737, 11510), (3910, 8057), (5474, 5755)]