179910140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{929}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 395599680

約数和(自身を除く): 215689540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 421, 460, 842, 929, 1684, 1858, 2105, 3716, 4210, 4645, 8420, 9290, 9683, 18580, 19366, 21367, 38732, 42734, 48415, 85468, 96830, 106835, 193660, 213670, 391109, 427340, 782218, 1564436, 1955545, 3911090, 7822180, 8995507, 17991014, 35982028, 44977535, 89955070, 179910140]

約数ペア:

[(1, 179910140), (2, 89955070), (4, 44977535), (5, 35982028), (10, 17991014), (20, 8995507), (23, 7822180), (46, 3911090), (92, 1955545), (115, 1564436), (230, 782218), (421, 427340), (460, 391109), (842, 213670), (929, 193660), (1684, 106835), (1858, 96830), (2105, 85468), (3716, 48415), (4210, 42734), (4645, 38732), (8420, 21367), (9290, 19366), (9683, 18580)]