1874980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 3963960

約数和(自身を除く): 2088980

約数列:

[1, 2, 4, 5, 10, 20, 241, 389, 482, 778, 964, 1205, 1556, 1945, 2410, 3890, 4820, 7780, 93749, 187498, 374996, 468745, 937490, 1874980]

約数ペア:

[(1, 1874980), (2, 937490), (4, 468745), (5, 374996), (10, 187498), (20, 93749), (241, 7780), (389, 4820), (482, 3890), (778, 2410), (964, 1945), (1205, 1556)]