890397320

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{377287}}^1$

素因数の和:377357

約数の個数: 32

約数和(自身を含む): 2037355200

約数和(自身を除く): 1146957880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 377287, 754574, 1509148, 1886435, 3018296, 3772870, 7545740, 15091480, 22259933, 44519866, 89039732, 111299665, 178079464, 222599330, 445198660, 890397320]

約数ペア:

[(1, 890397320), (2, 445198660), (4, 222599330), (5, 178079464), (8, 111299665), (10, 89039732), (20, 44519866), (40, 22259933), (59, 15091480), (118, 7545740), (236, 3772870), (295, 3018296), (472, 1886435), (590, 1509148), (1180, 754574), (2360, 377287)]