1278217340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{773}}^1\times {\mathrm{2851}}^1$

素因数の和:3662

約数の個数: 48

約数和(自身を含む): 2781384480

約数和(自身を除く): 1503167140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 773, 1546, 2851, 3092, 3865, 5702, 7730, 11404, 14255, 15460, 22417, 28510, 44834, 57020, 82679, 89668, 112085, 165358, 224170, 330716, 413395, 448340, 826790, 1653580, 2203823, 4407646, 8815292, 11019115, 22038230, 44076460, 63910867, 127821734, 255643468, 319554335, 639108670, 1278217340]

約数ペア:

[(1, 1278217340), (2, 639108670), (4, 319554335), (5, 255643468), (10, 127821734), (20, 63910867), (29, 44076460), (58, 22038230), (116, 11019115), (145, 8815292), (290, 4407646), (580, 2203823), (773, 1653580), (1546, 826790), (2851, 448340), (3092, 413395), (3865, 330716), (5702, 224170), (7730, 165358), (11404, 112085), (14255, 89668), (15460, 82679), (22417, 57020), (28510, 44834)]