11989400

素因数分解:

$2^3\times 5^2\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 28130640

約数和(自身を除く): 16141240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 151, 200, 302, 397, 604, 755, 794, 1208, 1510, 1588, 1985, 3020, 3176, 3775, 3970, 6040, 7550, 7940, 9925, 15100, 15880, 19850, 30200, 39700, 59947, 79400, 119894, 239788, 299735, 479576, 599470, 1198940, 1498675, 2397880, 2997350, 5994700, 11989400]

約数ペア:

[(1, 11989400), (2, 5994700), (4, 2997350), (5, 2397880), (8, 1498675), (10, 1198940), (20, 599470), (25, 479576), (40, 299735), (50, 239788), (100, 119894), (151, 79400), (200, 59947), (302, 39700), (397, 30200), (604, 19850), (755, 15880), (794, 15100), (1208, 9925), (1510, 7940), (1588, 7550), (1985, 6040), (3020, 3970), (3176, 3775)]