8889706940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{201947}}^1$

素因数の和:202058

約数の個数: 48

約数和(自身を含む): 19542104064

約数和(自身を除く): 10652397124

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 22010, 44020, 201947, 403894, 807788, 1009735, 2019470, 4038940, 6260357, 12520714, 14338237, 25041428, 28676474, 31301785, 57352948, 62603570, 71691185, 125207140, 143382370, 286764740, 444485347, 888970694, 1777941388, 2222426735, 4444853470, 8889706940]

約数ペア:

[(1, 8889706940), (2, 4444853470), (4, 2222426735), (5, 1777941388), (10, 888970694), (20, 444485347), (31, 286764740), (62, 143382370), (71, 125207140), (124, 71691185), (142, 62603570), (155, 57352948), (284, 31301785), (310, 28676474), (355, 25041428), (620, 14338237), (710, 12520714), (1420, 6260357), (2201, 4038940), (4402, 2019470), (8804, 1009735), (11005, 807788), (22010, 403894), (44020, 201947)]