72907970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{937}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 136152576

約数和(自身を除く): 63244606

約数列:

[1, 2, 5, 10, 31, 62, 155, 251, 310, 502, 937, 1255, 1874, 2510, 4685, 7781, 9370, 15562, 29047, 38905, 58094, 77810, 145235, 235187, 290470, 470374, 1175935, 2351870, 7290797, 14581594, 36453985, 72907970]

約数ペア:

[(1, 72907970), (2, 36453985), (5, 14581594), (10, 7290797), (31, 2351870), (62, 1175935), (155, 470374), (251, 290470), (310, 235187), (502, 145235), (937, 77810), (1255, 58094), (1874, 38905), (2510, 29047), (4685, 15562), (7781, 9370)]