243744280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{468739}}^1$

素因数の和:468763

約数の個数: 32

約数和(自身を含む): 590612400

約数和(自身を除く): 346868120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 468739, 937478, 1874956, 2343695, 3749912, 4687390, 6093607, 9374780, 12187214, 18749560, 24374428, 30468035, 48748856, 60936070, 121872140, 243744280]

約数ペア:

[(1, 243744280), (2, 121872140), (4, 60936070), (5, 48748856), (8, 30468035), (10, 24374428), (13, 18749560), (20, 12187214), (26, 9374780), (40, 6093607), (52, 4687390), (65, 3749912), (104, 2343695), (130, 1874956), (260, 937478), (520, 468739)]