31478090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 66435552

約数和(自身を除く): 34957462

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 227, 245, 283, 454, 490, 566, 1135, 1415, 1589, 1981, 2270, 2830, 3178, 3962, 7945, 9905, 11123, 13867, 15890, 19810, 22246, 27734, 55615, 64241, 69335, 111230, 128482, 138670, 321205, 449687, 642410, 899374, 2248435, 3147809, 4496870, 6295618, 15739045, 31478090]

約数ペア:

[(1, 31478090), (2, 15739045), (5, 6295618), (7, 4496870), (10, 3147809), (14, 2248435), (35, 899374), (49, 642410), (70, 449687), (98, 321205), (227, 138670), (245, 128482), (283, 111230), (454, 69335), (490, 64241), (566, 55615), (1135, 27734), (1415, 22246), (1589, 19810), (1981, 15890), (2270, 13867), (2830, 11123), (3178, 9905), (3962, 7945)]