19871700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{66239}}^1$

素因数の和:66256

約数の個数: 36

約数和(自身を含む): 57496320

約数和(自身を除く): 37624620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 66239, 132478, 198717, 264956, 331195, 397434, 662390, 794868, 993585, 1324780, 1655975, 1987170, 3311950, 3974340, 4967925, 6623900, 9935850, 19871700]

約数ペア:

[(1, 19871700), (2, 9935850), (3, 6623900), (4, 4967925), (5, 3974340), (6, 3311950), (10, 1987170), (12, 1655975), (15, 1324780), (20, 993585), (25, 794868), (30, 662390), (50, 397434), (60, 331195), (75, 264956), (100, 198717), (150, 132478), (300, 66239)]