806943940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{78041}}^1$

素因数の和:78108

約数の個数: 48

約数和(自身を含む): 1887992064

約数和(自身を除く): 1081048124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 78041, 156082, 312164, 390205, 780410, 858451, 1560820, 1716902, 3433804, 3667927, 4292255, 7335854, 8584510, 14671708, 17169020, 18339635, 36679270, 40347197, 73358540, 80694394, 161388788, 201735985, 403471970, 806943940]

約数ペア:

[(1, 806943940), (2, 403471970), (4, 201735985), (5, 161388788), (10, 80694394), (11, 73358540), (20, 40347197), (22, 36679270), (44, 18339635), (47, 17169020), (55, 14671708), (94, 8584510), (110, 7335854), (188, 4292255), (220, 3667927), (235, 3433804), (470, 1716902), (517, 1560820), (940, 858451), (1034, 780410), (2068, 390205), (2585, 312164), (5170, 156082), (10340, 78041)]