86995580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{88771}}^1$

素因数の和:88794

約数の個数: 36

約数和(自身を含む): 212520168

約数和(自身を除く): 125524588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 88771, 177542, 355084, 443855, 621397, 887710, 1242794, 1775420, 2485588, 3106985, 4349779, 6213970, 8699558, 12427940, 17399116, 21748895, 43497790, 86995580]

約数ペア:

[(1, 86995580), (2, 43497790), (4, 21748895), (5, 17399116), (7, 12427940), (10, 8699558), (14, 6213970), (20, 4349779), (28, 3106985), (35, 2485588), (49, 1775420), (70, 1242794), (98, 887710), (140, 621397), (196, 443855), (245, 355084), (490, 177542), (980, 88771)]