2919140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 7257600

約数和(自身を除く): 4338460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 719, 812, 1015, 1438, 2030, 2876, 3595, 4060, 5033, 7190, 10066, 14380, 20132, 20851, 25165, 41702, 50330, 83404, 100660, 104255, 145957, 208510, 291914, 417020, 583828, 729785, 1459570, 2919140]

約数ペア:

[(1, 2919140), (2, 1459570), (4, 729785), (5, 583828), (7, 417020), (10, 291914), (14, 208510), (20, 145957), (28, 104255), (29, 100660), (35, 83404), (58, 50330), (70, 41702), (116, 25165), (140, 20851), (145, 20132), (203, 14380), (290, 10066), (406, 7190), (580, 5033), (719, 4060), (812, 3595), (1015, 2876), (1438, 2030)]