2866820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 6689088

約数和(自身を除く): 3822268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 157, 166, 220, 314, 332, 415, 628, 785, 830, 913, 1570, 1660, 1727, 1826, 3140, 3454, 3652, 4565, 6908, 8635, 9130, 13031, 17270, 18260, 26062, 34540, 52124, 65155, 130310, 143341, 260620, 286682, 573364, 716705, 1433410, 2866820]

約数ペア:

[(1, 2866820), (2, 1433410), (4, 716705), (5, 573364), (10, 286682), (11, 260620), (20, 143341), (22, 130310), (44, 65155), (55, 52124), (83, 34540), (110, 26062), (157, 18260), (166, 17270), (220, 13031), (314, 9130), (332, 8635), (415, 6908), (628, 4565), (785, 3652), (830, 3454), (913, 3140), (1570, 1826), (1660, 1727)]