1721850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 4603872

約数和(自身を除く): 2882022

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 883, 975, 1766, 1950, 2649, 4415, 5298, 8830, 11479, 13245, 22075, 22958, 26490, 34437, 44150, 57395, 66225, 68874, 114790, 132450, 172185, 286975, 344370, 573950, 860925, 1721850]

約数ペア:

[(1, 1721850), (2, 860925), (3, 573950), (5, 344370), (6, 286975), (10, 172185), (13, 132450), (15, 114790), (25, 68874), (26, 66225), (30, 57395), (39, 44150), (50, 34437), (65, 26490), (75, 22958), (78, 22075), (130, 13245), (150, 11479), (195, 8830), (325, 5298), (390, 4415), (650, 2649), (883, 1950), (975, 1766)]