31280270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 64

約数和(自身を含む): 70156800

約数和(自身を除く): 38876530

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 58, 70, 95, 133, 145, 190, 203, 266, 290, 406, 551, 665, 811, 1015, 1102, 1330, 1622, 2030, 2755, 3857, 4055, 5510, 5677, 7714, 8110, 11354, 15409, 19285, 23519, 28385, 30818, 38570, 47038, 56770, 77045, 107863, 117595, 154090, 164633, 215726, 235190, 329266, 446861, 539315, 823165, 893722, 1078630, 1646330, 2234305, 3128027, 4468610, 6256054, 15640135, 31280270]

約数ペア:

[(1, 31280270), (2, 15640135), (5, 6256054), (7, 4468610), (10, 3128027), (14, 2234305), (19, 1646330), (29, 1078630), (35, 893722), (38, 823165), (58, 539315), (70, 446861), (95, 329266), (133, 235190), (145, 215726), (190, 164633), (203, 154090), (266, 117595), (290, 107863), (406, 77045), (551, 56770), (665, 47038), (811, 38570), (1015, 30818), (1102, 28385), (1330, 23519), (1622, 19285), (2030, 15409), (2755, 11354), (3857, 8110), (4055, 7714), (5510, 5677)]