257049420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4284157}}^1$

素因数の和:4284169

約数の個数: 24

約数和(自身を含む): 719738544

約数和(自身を除く): 462689124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4284157, 8568314, 12852471, 17136628, 21420785, 25704942, 42841570, 51409884, 64262355, 85683140, 128524710, 257049420]

約数ペア:

[(1, 257049420), (2, 128524710), (3, 85683140), (4, 64262355), (5, 51409884), (6, 42841570), (10, 25704942), (12, 21420785), (15, 17136628), (20, 12852471), (30, 8568314), (60, 4284157)]