1681880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2213}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 3985200

約数和(自身を除く): 2303320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2213, 4426, 8852, 11065, 17704, 22130, 42047, 44260, 84094, 88520, 168188, 210235, 336376, 420470, 840940, 1681880]

約数ペア:

[(1, 1681880), (2, 840940), (4, 420470), (5, 336376), (8, 210235), (10, 168188), (19, 88520), (20, 84094), (38, 44260), (40, 42047), (76, 22130), (95, 17704), (152, 11065), (190, 8852), (380, 4426), (760, 2213)]