218942020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8807}}^1$

素因数の和:8940

約数の個数: 48

約数和(自身を含む): 506072448

約数和(自身を除く): 287130428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 6215, 8807, 12430, 17614, 24860, 35228, 44035, 88070, 96877, 176140, 193754, 387508, 484385, 968770, 995191, 1937540, 1990382, 3980764, 4975955, 9951910, 10947101, 19903820, 21894202, 43788404, 54735505, 109471010, 218942020]

約数ペア:

[(1, 218942020), (2, 109471010), (4, 54735505), (5, 43788404), (10, 21894202), (11, 19903820), (20, 10947101), (22, 9951910), (44, 4975955), (55, 3980764), (110, 1990382), (113, 1937540), (220, 995191), (226, 968770), (452, 484385), (565, 387508), (1130, 193754), (1243, 176140), (2260, 96877), (2486, 88070), (4972, 44035), (6215, 35228), (8807, 24860), (12430, 17614)]