201572780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 433278720

約数和(自身を除く): 231705940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 397, 479, 530, 794, 958, 1060, 1588, 1916, 1985, 2395, 3970, 4790, 7940, 9580, 21041, 25387, 42082, 50774, 84164, 101548, 105205, 126935, 190163, 210410, 253870, 380326, 420820, 507740, 760652, 950815, 1901630, 3803260, 10078639, 20157278, 40314556, 50393195, 100786390, 201572780]

約数ペア:

[(1, 201572780), (2, 100786390), (4, 50393195), (5, 40314556), (10, 20157278), (20, 10078639), (53, 3803260), (106, 1901630), (212, 950815), (265, 760652), (397, 507740), (479, 420820), (530, 380326), (794, 253870), (958, 210410), (1060, 190163), (1588, 126935), (1916, 105205), (1985, 101548), (2395, 84164), (3970, 50774), (4790, 42082), (7940, 25387), (9580, 21041)]