13218900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 38643360

約数和(自身を除く): 25424460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 139, 150, 278, 300, 317, 417, 556, 634, 695, 834, 951, 1268, 1390, 1585, 1668, 1902, 2085, 2780, 3170, 3475, 3804, 4170, 4755, 6340, 6950, 7925, 8340, 9510, 10425, 13900, 15850, 19020, 20850, 23775, 31700, 41700, 44063, 47550, 88126, 95100, 132189, 176252, 220315, 264378, 440630, 528756, 660945, 881260, 1101575, 1321890, 2203150, 2643780, 3304725, 4406300, 6609450, 13218900]

約数ペア:

[(1, 13218900), (2, 6609450), (3, 4406300), (4, 3304725), (5, 2643780), (6, 2203150), (10, 1321890), (12, 1101575), (15, 881260), (20, 660945), (25, 528756), (30, 440630), (50, 264378), (60, 220315), (75, 176252), (100, 132189), (139, 95100), (150, 88126), (278, 47550), (300, 44063), (317, 41700), (417, 31700), (556, 23775), (634, 20850), (695, 19020), (834, 15850), (951, 13900), (1268, 10425), (1390, 9510), (1585, 8340), (1668, 7925), (1902, 6950), (2085, 6340), (2780, 4755), (3170, 4170), (3475, 3804)]