1941820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 4132800

約数和(自身を除く): 2190980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1229, 1580, 2458, 4916, 6145, 12290, 24580, 97091, 194182, 388364, 485455, 970910, 1941820]

約数ペア:

[(1, 1941820), (2, 970910), (4, 485455), (5, 388364), (10, 194182), (20, 97091), (79, 24580), (158, 12290), (316, 6145), (395, 4916), (790, 2458), (1229, 1580)]