898341040

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{28867}}^1$

素因数の和:29269

約数の個数: 40

約数和(自身を含む): 2094084720

約数和(自身を除く): 1195743680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 28867, 31120, 57734, 115468, 144335, 230936, 288670, 461872, 577340, 1154680, 2309360, 11229263, 22458526, 44917052, 56146315, 89834104, 112292630, 179668208, 224585260, 449170520, 898341040]

約数ペア:

[(1, 898341040), (2, 449170520), (4, 224585260), (5, 179668208), (8, 112292630), (10, 89834104), (16, 56146315), (20, 44917052), (40, 22458526), (80, 11229263), (389, 2309360), (778, 1154680), (1556, 577340), (1945, 461872), (3112, 288670), (3890, 230936), (6224, 144335), (7780, 115468), (15560, 57734), (28867, 31120)]