74538890

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 136273104

約数和(自身を除く): 61734214

約数列:

[1, 2, 5, 10, 157, 197, 241, 314, 394, 482, 785, 985, 1205, 1570, 1970, 2410, 30929, 37837, 47477, 61858, 75674, 94954, 154645, 189185, 237385, 309290, 378370, 474770, 7453889, 14907778, 37269445, 74538890]

約数ペア:

[(1, 74538890), (2, 37269445), (5, 14907778), (10, 7453889), (157, 474770), (197, 378370), (241, 309290), (314, 237385), (394, 189185), (482, 154645), (785, 94954), (985, 75674), (1205, 61858), (1570, 47477), (1970, 37837), (2410, 30929)]