349201880

素因数分解:

$2^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{5557}}^1$

素因数の和:7139

約数の個数: 32

約数和(自身を含む): 786345840

約数和(自身を除く): 437143960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1571, 3142, 5557, 6284, 7855, 11114, 12568, 15710, 22228, 27785, 31420, 44456, 55570, 62840, 111140, 222280, 8730047, 17460094, 34920188, 43650235, 69840376, 87300470, 174600940, 349201880]

約数ペア:

[(1, 349201880), (2, 174600940), (4, 87300470), (5, 69840376), (8, 43650235), (10, 34920188), (20, 17460094), (40, 8730047), (1571, 222280), (3142, 111140), (5557, 62840), (6284, 55570), (7855, 44456), (11114, 31420), (12568, 27785), (15710, 22228)]