4999960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 13091760

約数和(自身を除く): 8091800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2551, 5102, 10204, 12755, 17857, 20408, 25510, 35714, 51020, 71428, 89285, 102040, 124999, 142856, 178570, 249998, 357140, 499996, 624995, 714280, 999992, 1249990, 2499980, 4999960]

約数ペア:

[(1, 4999960), (2, 2499980), (4, 1249990), (5, 999992), (7, 714280), (8, 624995), (10, 499996), (14, 357140), (20, 249998), (28, 178570), (35, 142856), (40, 124999), (49, 102040), (56, 89285), (70, 71428), (98, 51020), (140, 35714), (196, 25510), (245, 20408), (280, 17857), (392, 12755), (490, 10204), (980, 5102), (1960, 2551)]