4393400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 11148840

約数和(自身を除く): 6755440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 1997, 2200, 3994, 7988, 9985, 15976, 19970, 21967, 39940, 43934, 49925, 79880, 87868, 99850, 109835, 175736, 199700, 219670, 399400, 439340, 549175, 878680, 1098350, 2196700, 4393400]

約数ペア:

[(1, 4393400), (2, 2196700), (4, 1098350), (5, 878680), (8, 549175), (10, 439340), (11, 399400), (20, 219670), (22, 199700), (25, 175736), (40, 109835), (44, 99850), (50, 87868), (55, 79880), (88, 49925), (100, 43934), (110, 39940), (200, 21967), (220, 19970), (275, 15976), (440, 9985), (550, 7988), (1100, 3994), (1997, 2200)]