397375670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{5107}}^1$

素因数の和:5396

約数の個数: 32

約数和(自身を含む): 741436416

約数和(自身を除く): 344060746

約数列:

[1, 2, 5, 10, 31, 62, 155, 251, 310, 502, 1255, 2510, 5107, 7781, 10214, 15562, 25535, 38905, 51070, 77810, 158317, 316634, 791585, 1281857, 1583170, 2563714, 6409285, 12818570, 39737567, 79475134, 198687835, 397375670]

約数ペア:

[(1, 397375670), (2, 198687835), (5, 79475134), (10, 39737567), (31, 12818570), (62, 6409285), (155, 2563714), (251, 1583170), (310, 1281857), (502, 791585), (1255, 316634), (2510, 158317), (5107, 77810), (7781, 51070), (10214, 38905), (15562, 25535)]