201990904780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1442792177}}^1$

素因数の和:1442792193

約数の個数: 24

約数和(自身を含む): 484778171808

約数和(自身を除く): 282787267028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1442792177, 2885584354, 5771168708, 7213960885, 10099545239, 14427921770, 20199090478, 28855843540, 40398180956, 50497726195, 100995452390, 201990904780]

約数ペア:

[(1, 201990904780), (2, 100995452390), (4, 50497726195), (5, 40398180956), (7, 28855843540), (10, 20199090478), (14, 14427921770), (20, 10099545239), (28, 7213960885), (35, 5771168708), (70, 2885584354), (140, 1442792177)]