207946280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{120899}}^1$

素因数の和:120953

約数の個数: 32

約数和(自身を含む): 478764000

約数和(自身を除く): 270817720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 120899, 241798, 483596, 604495, 967192, 1208990, 2417980, 4835960, 5198657, 10397314, 20794628, 25993285, 41589256, 51986570, 103973140, 207946280]

約数ペア:

[(1, 207946280), (2, 103973140), (4, 51986570), (5, 41589256), (8, 25993285), (10, 20794628), (20, 10397314), (40, 5198657), (43, 4835960), (86, 2417980), (172, 1208990), (215, 967192), (344, 604495), (430, 483596), (860, 241798), (1720, 120899)]