223415720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1279}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 550195200

約数和(自身を除く): 326779480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 397, 440, 794, 1279, 1588, 1985, 2558, 3176, 3970, 4367, 5116, 6395, 7940, 8734, 10232, 12790, 14069, 15880, 17468, 21835, 25580, 28138, 34936, 43670, 51160, 56276, 70345, 87340, 112552, 140690, 174680, 281380, 507763, 562760, 1015526, 2031052, 2538815, 4062104, 5077630, 5585393, 10155260, 11170786, 20310520, 22341572, 27926965, 44683144, 55853930, 111707860, 223415720]

約数ペア:

[(1, 223415720), (2, 111707860), (4, 55853930), (5, 44683144), (8, 27926965), (10, 22341572), (11, 20310520), (20, 11170786), (22, 10155260), (40, 5585393), (44, 5077630), (55, 4062104), (88, 2538815), (110, 2031052), (220, 1015526), (397, 562760), (440, 507763), (794, 281380), (1279, 174680), (1588, 140690), (1985, 112552), (2558, 87340), (3176, 70345), (3970, 56276), (4367, 51160), (5116, 43670), (6395, 34936), (7940, 28138), (8734, 25580), (10232, 21835), (12790, 17468), (14069, 15880)]