990204

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 2513280

約数和(自身を除く): 1523076

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 101, 114, 129, 172, 202, 228, 258, 303, 404, 516, 606, 817, 1212, 1634, 1919, 2451, 3268, 3838, 4343, 4902, 5757, 7676, 8686, 9804, 11514, 13029, 17372, 23028, 26058, 52116, 82517, 165034, 247551, 330068, 495102, 990204]

約数ペア:

[(1, 990204), (2, 495102), (3, 330068), (4, 247551), (6, 165034), (12, 82517), (19, 52116), (38, 26058), (43, 23028), (57, 17372), (76, 13029), (86, 11514), (101, 9804), (114, 8686), (129, 7676), (172, 5757), (202, 4902), (228, 4343), (258, 3838), (303, 3268), (404, 2451), (516, 1919), (606, 1634), (817, 1212)]