70281740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 156963744

約数和(自身を除く): 86682004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 421, 491, 842, 982, 1684, 1964, 2105, 2455, 4210, 4910, 7157, 8347, 8420, 9820, 14314, 16694, 28628, 33388, 35785, 41735, 71570, 83470, 143140, 166940, 206711, 413422, 826844, 1033555, 2067110, 3514087, 4134220, 7028174, 14056348, 17570435, 35140870, 70281740]

約数ペア:

[(1, 70281740), (2, 35140870), (4, 17570435), (5, 14056348), (10, 7028174), (17, 4134220), (20, 3514087), (34, 2067110), (68, 1033555), (85, 826844), (170, 413422), (340, 206711), (421, 166940), (491, 143140), (842, 83470), (982, 71570), (1684, 41735), (1964, 35785), (2105, 33388), (2455, 28628), (4210, 16694), (4910, 14314), (7157, 9820), (8347, 8420)]