1735280

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 4092000

約数和(自身を除く): 2356720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 199, 218, 398, 436, 545, 796, 872, 995, 1090, 1592, 1744, 1990, 2180, 3184, 3980, 4360, 7960, 8720, 15920, 21691, 43382, 86764, 108455, 173528, 216910, 347056, 433820, 867640, 1735280]

約数ペア:

[(1, 1735280), (2, 867640), (4, 433820), (5, 347056), (8, 216910), (10, 173528), (16, 108455), (20, 86764), (40, 43382), (80, 21691), (109, 15920), (199, 8720), (218, 7960), (398, 4360), (436, 3980), (545, 3184), (796, 2180), (872, 1990), (995, 1744), (1090, 1592)]