129825025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 184988160

約数和(自身を除く): 55163135

約数列:

[1, 5, 11, 25, 29, 55, 73, 145, 223, 275, 319, 365, 725, 803, 1115, 1595, 1825, 2117, 2453, 4015, 5575, 6467, 7975, 10585, 12265, 16279, 20075, 23287, 32335, 52925, 61325, 71137, 81395, 116435, 161675, 179069, 355685, 406975, 472091, 582175, 895345, 1778425, 2360455, 4476725, 5193001, 11802275, 25965005, 129825025]

約数ペア:

[(1, 129825025), (5, 25965005), (11, 11802275), (25, 5193001), (29, 4476725), (55, 2360455), (73, 1778425), (145, 895345), (223, 582175), (275, 472091), (319, 406975), (365, 355685), (725, 179069), (803, 161675), (1115, 116435), (1595, 81395), (1825, 71137), (2117, 61325), (2453, 52925), (4015, 32335), (5575, 23287), (6467, 20075), (7975, 16279), (10585, 12265)]