2386780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 5765760

約数和(自身を除く): 3378980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 571, 836, 1045, 1142, 2090, 2284, 2855, 4180, 5710, 6281, 10849, 11420, 12562, 21698, 25124, 31405, 43396, 54245, 62810, 108490, 119339, 125620, 216980, 238678, 477356, 596695, 1193390, 2386780]

約数ペア:

[(1, 2386780), (2, 1193390), (4, 596695), (5, 477356), (10, 238678), (11, 216980), (19, 125620), (20, 119339), (22, 108490), (38, 62810), (44, 54245), (55, 43396), (76, 31405), (95, 25124), (110, 21698), (190, 12562), (209, 11420), (220, 10849), (380, 6281), (418, 5710), (571, 4180), (836, 2855), (1045, 2284), (1142, 2090)]