90025180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1049}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 216619200

約数和(自身を除く): 126594020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 613, 1049, 1226, 2098, 2452, 3065, 4196, 4291, 5245, 6130, 7343, 8582, 10490, 12260, 14686, 17164, 20980, 21455, 29372, 36715, 42910, 73430, 85820, 146860, 643037, 1286074, 2572148, 3215185, 4501259, 6430370, 9002518, 12860740, 18005036, 22506295, 45012590, 90025180]

約数ペア:

[(1, 90025180), (2, 45012590), (4, 22506295), (5, 18005036), (7, 12860740), (10, 9002518), (14, 6430370), (20, 4501259), (28, 3215185), (35, 2572148), (70, 1286074), (140, 643037), (613, 146860), (1049, 85820), (1226, 73430), (2098, 42910), (2452, 36715), (3065, 29372), (4196, 21455), (4291, 20980), (5245, 17164), (6130, 14686), (7343, 12260), (8582, 10490)]