873400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 2220840

約数和(自身を除く): 1347440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 397, 440, 550, 794, 1100, 1588, 1985, 2200, 3176, 3970, 4367, 7940, 8734, 9925, 15880, 17468, 19850, 21835, 34936, 39700, 43670, 79400, 87340, 109175, 174680, 218350, 436700, 873400]

約数ペア:

[(1, 873400), (2, 436700), (4, 218350), (5, 174680), (8, 109175), (10, 87340), (11, 79400), (20, 43670), (22, 39700), (25, 34936), (40, 21835), (44, 19850), (50, 17468), (55, 15880), (88, 9925), (100, 8734), (110, 7940), (200, 4367), (220, 3970), (275, 3176), (397, 2200), (440, 1985), (550, 1588), (794, 1100)]