31068380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{709}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 74907840

約数和(自身を除く): 43839460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 626, 709, 1252, 1418, 1565, 2191, 2836, 3130, 3545, 4382, 4963, 6260, 7090, 8764, 9926, 10955, 14180, 19852, 21910, 24815, 43820, 49630, 99260, 221917, 443834, 887668, 1109585, 1553419, 2219170, 3106838, 4438340, 6213676, 7767095, 15534190, 31068380]

約数ペア:

[(1, 31068380), (2, 15534190), (4, 7767095), (5, 6213676), (7, 4438340), (10, 3106838), (14, 2219170), (20, 1553419), (28, 1109585), (35, 887668), (70, 443834), (140, 221917), (313, 99260), (626, 49630), (709, 43820), (1252, 24815), (1418, 21910), (1565, 19852), (2191, 14180), (2836, 10955), (3130, 9926), (3545, 8764), (4382, 7090), (4963, 6260)]