71739910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 149402880

約数和(自身を除く): 77662970

約数列:

[1, 2, 5, 10, 11, 22, 29, 43, 55, 58, 86, 110, 145, 215, 290, 319, 430, 473, 523, 638, 946, 1046, 1247, 1595, 2365, 2494, 2615, 3190, 4730, 5230, 5753, 6235, 11506, 12470, 13717, 15167, 22489, 27434, 28765, 30334, 44978, 57530, 68585, 75835, 112445, 137170, 151670, 166837, 224890, 247379, 333674, 494758, 652181, 834185, 1236895, 1304362, 1668370, 2473790, 3260905, 6521810, 7173991, 14347982, 35869955, 71739910]

約数ペア:

[(1, 71739910), (2, 35869955), (5, 14347982), (10, 7173991), (11, 6521810), (22, 3260905), (29, 2473790), (43, 1668370), (55, 1304362), (58, 1236895), (86, 834185), (110, 652181), (145, 494758), (215, 333674), (290, 247379), (319, 224890), (430, 166837), (473, 151670), (523, 137170), (638, 112445), (946, 75835), (1046, 68585), (1247, 57530), (1595, 44978), (2365, 30334), (2494, 28765), (2615, 27434), (3190, 22489), (4730, 15167), (5230, 13717), (5753, 12470), (6235, 11506)]