1280290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 2560896

約数和(自身を除く): 1280606

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 113, 206, 226, 515, 565, 1030, 1130, 1133, 1243, 2266, 2486, 5665, 6215, 11330, 11639, 12430, 23278, 58195, 116390, 128029, 256058, 640145, 1280290]

約数ペア:

[(1, 1280290), (2, 640145), (5, 256058), (10, 128029), (11, 116390), (22, 58195), (55, 23278), (103, 12430), (110, 11639), (113, 11330), (206, 6215), (226, 5665), (515, 2486), (565, 2266), (1030, 1243), (1130, 1133)]