427900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 1015560

約数和(自身を除く): 587660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 389, 550, 778, 1100, 1556, 1945, 3890, 4279, 7780, 8558, 9725, 17116, 19450, 21395, 38900, 42790, 85580, 106975, 213950, 427900]

約数ペア:

[(1, 427900), (2, 213950), (4, 106975), (5, 85580), (10, 42790), (11, 38900), (20, 21395), (22, 19450), (25, 17116), (44, 9725), (50, 8558), (55, 7780), (100, 4279), (110, 3890), (220, 1945), (275, 1556), (389, 1100), (550, 778)]