12421780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1069}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 30199680

約数和(自身を除く): 17777900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1069, 1162, 1660, 2138, 2324, 2905, 4276, 5345, 5810, 7483, 10690, 11620, 14966, 21380, 29932, 37415, 74830, 88727, 149660, 177454, 354908, 443635, 621089, 887270, 1242178, 1774540, 2484356, 3105445, 6210890, 12421780]

約数ペア:

[(1, 12421780), (2, 6210890), (4, 3105445), (5, 2484356), (7, 1774540), (10, 1242178), (14, 887270), (20, 621089), (28, 443635), (35, 354908), (70, 177454), (83, 149660), (140, 88727), (166, 74830), (332, 37415), (415, 29932), (581, 21380), (830, 14966), (1069, 11620), (1162, 10690), (1660, 7483), (2138, 5810), (2324, 5345), (2905, 4276)]