191421860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1367299}}^1$

素因数の和:1367315

約数の個数: 24

約数和(自身を含む): 459412800

約数和(自身を除く): 267990940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1367299, 2734598, 5469196, 6836495, 9571093, 13672990, 19142186, 27345980, 38284372, 47855465, 95710930, 191421860]

約数ペア:

[(1, 191421860), (2, 95710930), (4, 47855465), (5, 38284372), (7, 27345980), (10, 19142186), (14, 13672990), (20, 9571093), (28, 6836495), (35, 5469196), (70, 2734598), (140, 1367299)]