61963420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 135475200

約数和(自身を除く): 73511780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 719, 1390, 1438, 2780, 2876, 3595, 4309, 7190, 8618, 14380, 17236, 21545, 22289, 43090, 44578, 86180, 89156, 99941, 111445, 199882, 222890, 399764, 445780, 499705, 999410, 1998820, 3098171, 6196342, 12392684, 15490855, 30981710, 61963420]

約数ペア:

[(1, 61963420), (2, 30981710), (4, 15490855), (5, 12392684), (10, 6196342), (20, 3098171), (31, 1998820), (62, 999410), (124, 499705), (139, 445780), (155, 399764), (278, 222890), (310, 199882), (556, 111445), (620, 99941), (695, 89156), (719, 86180), (1390, 44578), (1438, 43090), (2780, 22289), (2876, 21545), (3595, 17236), (4309, 14380), (7190, 8618)]