201194290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20551}}^1$

素因数の和:20658

約数の個数: 32

約数和(自身を含む): 399530880

約数和(自身を除く): 198336590

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 20551, 41102, 102755, 205510, 226061, 452122, 1130305, 1829039, 2260610, 3658078, 9145195, 18290390, 20119429, 40238858, 100597145, 201194290]

約数ペア:

[(1, 201194290), (2, 100597145), (5, 40238858), (10, 20119429), (11, 18290390), (22, 9145195), (55, 3658078), (89, 2260610), (110, 1829039), (178, 1130305), (445, 452122), (890, 226061), (979, 205510), (1958, 102755), (4895, 41102), (9790, 20551)]