3880497940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{21803}}^1$

素因数の和:22632

約数の個数: 48

約数和(自身を含む): 8901264960

約数和(自身を除く): 5020767020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 809, 1618, 3236, 4045, 8090, 8899, 16180, 17798, 21803, 35596, 43606, 44495, 87212, 88990, 109015, 177980, 218030, 239833, 436060, 479666, 959332, 1199165, 2398330, 4796660, 17638627, 35277254, 70554508, 88193135, 176386270, 194024897, 352772540, 388049794, 776099588, 970124485, 1940248970, 3880497940]

約数ペア:

[(1, 3880497940), (2, 1940248970), (4, 970124485), (5, 776099588), (10, 388049794), (11, 352772540), (20, 194024897), (22, 176386270), (44, 88193135), (55, 70554508), (110, 35277254), (220, 17638627), (809, 4796660), (1618, 2398330), (3236, 1199165), (4045, 959332), (8090, 479666), (8899, 436060), (16180, 239833), (17798, 218030), (21803, 177980), (35596, 109015), (43606, 88990), (44495, 87212)]