12290180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12541}}^1$

素因数の和:12564

約数の個数: 36

約数和(自身を含む): 30025548

約数和(自身を除く): 17735368

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12541, 25082, 50164, 62705, 87787, 125410, 175574, 250820, 351148, 438935, 614509, 877870, 1229018, 1755740, 2458036, 3072545, 6145090, 12290180]

約数ペア:

[(1, 12290180), (2, 6145090), (4, 3072545), (5, 2458036), (7, 1755740), (10, 1229018), (14, 877870), (20, 614509), (28, 438935), (35, 351148), (49, 250820), (70, 175574), (98, 125410), (140, 87787), (196, 62705), (245, 50164), (490, 25082), (980, 12541)]