28128170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21149}}^1$

素因数の和:21182

約数の個数: 32

約数和(自身を含む): 60912000

約数和(自身を除く): 32783830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21149, 42298, 105745, 148043, 211490, 296086, 401831, 740215, 803662, 1480430, 2009155, 2812817, 4018310, 5625634, 14064085, 28128170]

約数ペア:

[(1, 28128170), (2, 14064085), (5, 5625634), (7, 4018310), (10, 2812817), (14, 2009155), (19, 1480430), (35, 803662), (38, 740215), (70, 401831), (95, 296086), (133, 211490), (190, 148043), (266, 105745), (665, 42298), (1330, 21149)]