217340230

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{691}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 398193408

約数和(自身を除く): 180853178

約数列:

[1, 2, 5, 10, 71, 142, 355, 443, 691, 710, 886, 1382, 2215, 3455, 4430, 6910, 31453, 49061, 62906, 98122, 157265, 245305, 306113, 314530, 490610, 612226, 1530565, 3061130, 21734023, 43468046, 108670115, 217340230]

約数ペア:

[(1, 217340230), (2, 108670115), (5, 43468046), (10, 21734023), (71, 3061130), (142, 1530565), (355, 612226), (443, 490610), (691, 314530), (710, 306113), (886, 245305), (1382, 157265), (2215, 98122), (3455, 62906), (4430, 49061), (6910, 31453)]