889781780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2341531}}^1$

素因数の和:2341559

約数の個数: 24

約数和(自身を含む): 1966886880

約数和(自身を除く): 1077105100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2341531, 4683062, 9366124, 11707655, 23415310, 44489089, 46830620, 88978178, 177956356, 222445445, 444890890, 889781780]

約数ペア:

[(1, 889781780), (2, 444890890), (4, 222445445), (5, 177956356), (10, 88978178), (19, 46830620), (20, 44489089), (38, 23415310), (76, 11707655), (95, 9366124), (190, 4683062), (380, 2341531)]