1263340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 2949408

約数和(自身を除く): 1686068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 113, 130, 172, 215, 226, 260, 430, 452, 559, 565, 860, 1118, 1130, 1469, 2236, 2260, 2795, 2938, 4859, 5590, 5876, 7345, 9718, 11180, 14690, 19436, 24295, 29380, 48590, 63167, 97180, 126334, 252668, 315835, 631670, 1263340]

約数ペア:

[(1, 1263340), (2, 631670), (4, 315835), (5, 252668), (10, 126334), (13, 97180), (20, 63167), (26, 48590), (43, 29380), (52, 24295), (65, 19436), (86, 14690), (113, 11180), (130, 9718), (172, 7345), (215, 5876), (226, 5590), (260, 4859), (430, 2938), (452, 2795), (559, 2260), (565, 2236), (860, 1469), (1118, 1130)]