31372490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 58786560

約数和(自身を除く): 27414070

約数列:

[1, 2, 5, 10, 29, 58, 145, 251, 290, 431, 502, 862, 1255, 2155, 2510, 4310, 7279, 12499, 14558, 24998, 36395, 62495, 72790, 108181, 124990, 216362, 540905, 1081810, 3137249, 6274498, 15686245, 31372490]

約数ペア:

[(1, 31372490), (2, 15686245), (5, 6274498), (10, 3137249), (29, 1081810), (58, 540905), (145, 216362), (251, 124990), (290, 108181), (431, 72790), (502, 62495), (862, 36395), (1255, 24998), (2155, 14558), (2510, 12499), (4310, 7279)]