4990280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 11388600

約数和(自身を除く): 6398320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 1709, 2920, 3418, 6836, 8545, 13672, 17090, 34180, 68360, 124757, 249514, 499028, 623785, 998056, 1247570, 2495140, 4990280]

約数ペア:

[(1, 4990280), (2, 2495140), (4, 1247570), (5, 998056), (8, 623785), (10, 499028), (20, 249514), (40, 124757), (73, 68360), (146, 34180), (292, 17090), (365, 13672), (584, 8545), (730, 6836), (1460, 3418), (1709, 2920)]