263882540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{1123}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 574049280

約数和(自身を除く): 310166740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 379, 620, 758, 1123, 1516, 1895, 2246, 3790, 4492, 5615, 7580, 11230, 11749, 22460, 23498, 34813, 46996, 58745, 69626, 117490, 139252, 174065, 234980, 348130, 425617, 696260, 851234, 1702468, 2128085, 4256170, 8512340, 13194127, 26388254, 52776508, 65970635, 131941270, 263882540]

約数ペア:

[(1, 263882540), (2, 131941270), (4, 65970635), (5, 52776508), (10, 26388254), (20, 13194127), (31, 8512340), (62, 4256170), (124, 2128085), (155, 1702468), (310, 851234), (379, 696260), (620, 425617), (758, 348130), (1123, 234980), (1516, 174065), (1895, 139252), (2246, 117490), (3790, 69626), (4492, 58745), (5615, 46996), (7580, 34813), (11230, 23498), (11749, 22460)]