27990760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14281}}^1$

素因数の和:14306

約数の個数: 48

約数和(自身を含む): 73266660

約数和(自身を除く): 45275900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14281, 28562, 57124, 71405, 99967, 114248, 142810, 199934, 285620, 399868, 499835, 571240, 699769, 799736, 999670, 1399538, 1999340, 2799076, 3498845, 3998680, 5598152, 6997690, 13995380, 27990760]

約数ペア:

[(1, 27990760), (2, 13995380), (4, 6997690), (5, 5598152), (7, 3998680), (8, 3498845), (10, 2799076), (14, 1999340), (20, 1399538), (28, 999670), (35, 799736), (40, 699769), (49, 571240), (56, 499835), (70, 399868), (98, 285620), (140, 199934), (196, 142810), (245, 114248), (280, 99967), (392, 71405), (490, 57124), (980, 28562), (1960, 14281)]