2979160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 6804000

約数和(自身を除く): 3824840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1049, 1420, 2098, 2840, 4196, 5245, 8392, 10490, 20980, 41960, 74479, 148958, 297916, 372395, 595832, 744790, 1489580, 2979160]

約数ペア:

[(1, 2979160), (2, 1489580), (4, 744790), (5, 595832), (8, 372395), (10, 297916), (20, 148958), (40, 74479), (71, 41960), (142, 20980), (284, 10490), (355, 8392), (568, 5245), (710, 4196), (1049, 2840), (1420, 2098)]