2256490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 4354560

約数和(自身を除く): 2098070

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 251, 290, 310, 502, 899, 1255, 1798, 2510, 4495, 7279, 7781, 8990, 14558, 15562, 36395, 38905, 72790, 77810, 225649, 451298, 1128245, 2256490]

約数ペア:

[(1, 2256490), (2, 1128245), (5, 451298), (10, 225649), (29, 77810), (31, 72790), (58, 38905), (62, 36395), (145, 15562), (155, 14558), (251, 8990), (290, 7781), (310, 7279), (502, 4495), (899, 2510), (1255, 1798)]