305710420

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{66749}}^1$

素因数の和:66987

約数の個数: 24

約数和(自身を含む): 644805000

約数和(自身を除く): 339094580

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 66749, 133498, 266996, 333745, 667490, 1334980, 15285521, 30571042, 61142084, 76427605, 152855210, 305710420]

約数ペア:

[(1, 305710420), (2, 152855210), (4, 76427605), (5, 61142084), (10, 30571042), (20, 15285521), (229, 1334980), (458, 667490), (916, 333745), (1145, 266996), (2290, 133498), (4580, 66749)]