217156740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{853}}^1\times {\mathrm{4243}}^1$

素因数の和:5108

約数の個数: 48

約数和(自身を含む): 608895168

約数和(自身を除く): 391738428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 853, 1706, 2559, 3412, 4243, 4265, 5118, 8486, 8530, 10236, 12729, 12795, 16972, 17060, 21215, 25458, 25590, 42430, 50916, 51180, 63645, 84860, 127290, 254580, 3619279, 7238558, 10857837, 14477116, 18096395, 21715674, 36192790, 43431348, 54289185, 72385580, 108578370, 217156740]

約数ペア:

[(1, 217156740), (2, 108578370), (3, 72385580), (4, 54289185), (5, 43431348), (6, 36192790), (10, 21715674), (12, 18096395), (15, 14477116), (20, 10857837), (30, 7238558), (60, 3619279), (853, 254580), (1706, 127290), (2559, 84860), (3412, 63645), (4243, 51180), (4265, 50916), (5118, 42430), (8486, 25590), (8530, 25458), (10236, 21215), (12729, 17060), (12795, 16972)]