85328740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19661}}^1$

素因数の和:19708

約数の個数: 48

約数和(自身を含む): 211405824

約数和(自身を除く): 126077084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19661, 39322, 78644, 98305, 137627, 196610, 275254, 393220, 550508, 609491, 688135, 1218982, 1376270, 2437964, 2752540, 3047455, 4266437, 6094910, 8532874, 12189820, 17065748, 21332185, 42664370, 85328740]

約数ペア:

[(1, 85328740), (2, 42664370), (4, 21332185), (5, 17065748), (7, 12189820), (10, 8532874), (14, 6094910), (20, 4266437), (28, 3047455), (31, 2752540), (35, 2437964), (62, 1376270), (70, 1218982), (124, 688135), (140, 609491), (155, 550508), (217, 393220), (310, 275254), (434, 196610), (620, 137627), (868, 98305), (1085, 78644), (2170, 39322), (4340, 19661)]