131279540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22871}}^1$

素因数の和:22928

約数の個数: 48

約数和(自身を含む): 322769664

約数和(自身を除く): 191490124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 22871, 45742, 91484, 114355, 160097, 228710, 320194, 457420, 640388, 800485, 937711, 1600970, 1875422, 3201940, 3750844, 4688555, 6563977, 9377110, 13127954, 18754220, 26255908, 32819885, 65639770, 131279540]

約数ペア:

[(1, 131279540), (2, 65639770), (4, 32819885), (5, 26255908), (7, 18754220), (10, 13127954), (14, 9377110), (20, 6563977), (28, 4688555), (35, 3750844), (41, 3201940), (70, 1875422), (82, 1600970), (140, 937711), (164, 800485), (205, 640388), (287, 457420), (410, 320194), (574, 228710), (820, 160097), (1148, 114355), (1435, 91484), (2870, 45742), (5740, 22871)]