9143380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 20030976

約数和(自身を除く): 10887596

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 137, 142, 188, 235, 274, 284, 355, 470, 548, 685, 710, 940, 1370, 1420, 2740, 3337, 6439, 6674, 9727, 12878, 13348, 16685, 19454, 25756, 32195, 33370, 38908, 48635, 64390, 66740, 97270, 128780, 194540, 457169, 914338, 1828676, 2285845, 4571690, 9143380]

約数ペア:

[(1, 9143380), (2, 4571690), (4, 2285845), (5, 1828676), (10, 914338), (20, 457169), (47, 194540), (71, 128780), (94, 97270), (137, 66740), (142, 64390), (188, 48635), (235, 38908), (274, 33370), (284, 32195), (355, 25756), (470, 19454), (548, 16685), (685, 13348), (710, 12878), (940, 9727), (1370, 6674), (1420, 6439), (2740, 3337)]