17466740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 20447500

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 139, 206, 244, 278, 305, 412, 515, 556, 610, 695, 1030, 1220, 1390, 2060, 2780, 6283, 8479, 12566, 14317, 16958, 25132, 28634, 31415, 33916, 42395, 57268, 62830, 71585, 84790, 125660, 143170, 169580, 286340, 873337, 1746674, 3493348, 4366685, 8733370, 17466740]

約数ペア:

[(1, 17466740), (2, 8733370), (4, 4366685), (5, 3493348), (10, 1746674), (20, 873337), (61, 286340), (103, 169580), (122, 143170), (139, 125660), (206, 84790), (244, 71585), (278, 62830), (305, 57268), (412, 42395), (515, 33916), (556, 31415), (610, 28634), (695, 25132), (1030, 16958), (1220, 14317), (1390, 12566), (2060, 8479), (2780, 6283)]