208563180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{496579}}^1$

素因数の和:496598

約数の個数: 48

約数和(自身を含む): 667403520

約数和(自身を除く): 458840340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 496579, 993158, 1489737, 1986316, 2482895, 2979474, 3476053, 4965790, 5958948, 6952106, 7448685, 9931580, 10428159, 13904212, 14897370, 17380265, 20856318, 29794740, 34760530, 41712636, 52140795, 69521060, 104281590, 208563180]

約数ペア:

[(1, 208563180), (2, 104281590), (3, 69521060), (4, 52140795), (5, 41712636), (6, 34760530), (7, 29794740), (10, 20856318), (12, 17380265), (14, 14897370), (15, 13904212), (20, 10428159), (21, 9931580), (28, 7448685), (30, 6952106), (35, 5958948), (42, 4965790), (60, 3476053), (70, 2979474), (84, 2482895), (105, 1986316), (140, 1489737), (210, 993158), (420, 496579)]