85648360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{613}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 221040000

約数和(自身を除く): 135391640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 613, 998, 1226, 1996, 2452, 2495, 3065, 3493, 3992, 4291, 4904, 4990, 6130, 6986, 8582, 9980, 12260, 13972, 17164, 17465, 19960, 21455, 24520, 27944, 34328, 34930, 42910, 69860, 85820, 139720, 171640, 305887, 611774, 1223548, 1529435, 2141209, 2447096, 3058870, 4282418, 6117740, 8564836, 10706045, 12235480, 17129672, 21412090, 42824180, 85648360]

約数ペア:

[(1, 85648360), (2, 42824180), (4, 21412090), (5, 17129672), (7, 12235480), (8, 10706045), (10, 8564836), (14, 6117740), (20, 4282418), (28, 3058870), (35, 2447096), (40, 2141209), (56, 1529435), (70, 1223548), (140, 611774), (280, 305887), (499, 171640), (613, 139720), (998, 85820), (1226, 69860), (1996, 42910), (2452, 34930), (2495, 34328), (3065, 27944), (3493, 24520), (3992, 21455), (4291, 19960), (4904, 17465), (4990, 17164), (6130, 13972), (6986, 12260), (8582, 9980)]