1729960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 3961800

約数和(自身を除く): 2231840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 709, 1220, 1418, 2440, 2836, 3545, 5672, 7090, 14180, 28360, 43249, 86498, 172996, 216245, 345992, 432490, 864980, 1729960]

約数ペア:

[(1, 1729960), (2, 864980), (4, 432490), (5, 345992), (8, 216245), (10, 172996), (20, 86498), (40, 43249), (61, 28360), (122, 14180), (244, 7090), (305, 5672), (488, 3545), (610, 2836), (709, 2440), (1220, 1418)]