13452740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 32495232

約数和(自身を除く): 19042492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 313, 614, 626, 1228, 1252, 1535, 1565, 2149, 2191, 3070, 3130, 4298, 4382, 6140, 6260, 8596, 8764, 10745, 10955, 21490, 21910, 42980, 43820, 96091, 192182, 384364, 480455, 672637, 960910, 1345274, 1921820, 2690548, 3363185, 6726370, 13452740]

約数ペア:

[(1, 13452740), (2, 6726370), (4, 3363185), (5, 2690548), (7, 1921820), (10, 1345274), (14, 960910), (20, 672637), (28, 480455), (35, 384364), (70, 192182), (140, 96091), (307, 43820), (313, 42980), (614, 21910), (626, 21490), (1228, 10955), (1252, 10745), (1535, 8764), (1565, 8596), (2149, 6260), (2191, 6140), (3070, 4382), (3130, 4298)]