259700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{53}}^1$

素因数の和:81

約数の個数: 54

約数和(自身を含む): 667926

約数和(自身を除く): 408226

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 53, 70, 98, 100, 106, 140, 175, 196, 212, 245, 265, 350, 371, 490, 530, 700, 742, 980, 1060, 1225, 1325, 1484, 1855, 2450, 2597, 2650, 3710, 4900, 5194, 5300, 7420, 9275, 10388, 12985, 18550, 25970, 37100, 51940, 64925, 129850, 259700]

約数ペア:

[(1, 259700), (2, 129850), (4, 64925), (5, 51940), (7, 37100), (10, 25970), (14, 18550), (20, 12985), (25, 10388), (28, 9275), (35, 7420), (49, 5300), (50, 5194), (53, 4900), (70, 3710), (98, 2650), (100, 2597), (106, 2450), (140, 1855), (175, 1484), (196, 1325), (212, 1225), (245, 1060), (265, 980), (350, 742), (371, 700), (490, 530)]