318280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 732600

約数和(自身を除く): 414320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 109, 146, 218, 292, 365, 436, 545, 584, 730, 872, 1090, 1460, 2180, 2920, 4360, 7957, 15914, 31828, 39785, 63656, 79570, 159140, 318280]

約数ペア:

[(1, 318280), (2, 159140), (4, 79570), (5, 63656), (8, 39785), (10, 31828), (20, 15914), (40, 7957), (73, 4360), (109, 2920), (146, 2180), (218, 1460), (292, 1090), (365, 872), (436, 730), (545, 584)]