258537580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{2389}}^1$

素因数の和:3178

約数の個数: 48

約数和(自身を含む): 621552960

約数和(自身を除く): 363015380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 773, 1546, 2389, 3092, 3865, 4778, 5411, 7730, 9556, 10822, 11945, 15460, 16723, 21644, 23890, 27055, 33446, 47780, 54110, 66892, 83615, 108220, 167230, 334460, 1846697, 3693394, 7386788, 9233485, 12926879, 18466970, 25853758, 36933940, 51707516, 64634395, 129268790, 258537580]

約数ペア:

[(1, 258537580), (2, 129268790), (4, 64634395), (5, 51707516), (7, 36933940), (10, 25853758), (14, 18466970), (20, 12926879), (28, 9233485), (35, 7386788), (70, 3693394), (140, 1846697), (773, 334460), (1546, 167230), (2389, 108220), (3092, 83615), (3865, 66892), (4778, 54110), (5411, 47780), (7730, 33446), (9556, 27055), (10822, 23890), (11945, 21644), (15460, 16723)]