31869740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{977}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 76894272

約数和(自身を除く): 45024532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 977, 1165, 1631, 1954, 2330, 3262, 3908, 4660, 4885, 6524, 6839, 8155, 9770, 13678, 16310, 19540, 27356, 32620, 34195, 68390, 136780, 227641, 455282, 910564, 1138205, 1593487, 2276410, 3186974, 4552820, 6373948, 7967435, 15934870, 31869740]

約数ペア:

[(1, 31869740), (2, 15934870), (4, 7967435), (5, 6373948), (7, 4552820), (10, 3186974), (14, 2276410), (20, 1593487), (28, 1138205), (35, 910564), (70, 455282), (140, 227641), (233, 136780), (466, 68390), (932, 34195), (977, 32620), (1165, 27356), (1631, 19540), (1954, 16310), (2330, 13678), (3262, 9770), (3908, 8155), (4660, 6839), (4885, 6524)]