201878180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18253}}^1$

素因数の和:18348

約数の個数: 48

約数和(自身を含む): 490667520

約数和(自身を除く): 288789340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 18253, 36506, 73012, 91265, 127771, 182530, 255542, 365060, 511084, 638855, 1277710, 1441987, 2555420, 2883974, 5767948, 7209935, 10093909, 14419870, 20187818, 28839740, 40375636, 50469545, 100939090, 201878180]

約数ペア:

[(1, 201878180), (2, 100939090), (4, 50469545), (5, 40375636), (7, 28839740), (10, 20187818), (14, 14419870), (20, 10093909), (28, 7209935), (35, 5767948), (70, 2883974), (79, 2555420), (140, 1441987), (158, 1277710), (316, 638855), (395, 511084), (553, 365060), (790, 255542), (1106, 182530), (1580, 127771), (2212, 91265), (2765, 73012), (5530, 36506), (11060, 18253)]