278328940

素因数分解:

$2^2\times 5^1\times {\mathrm{2857}}^1\times {\mathrm{4871}}^1$

素因数の和:7737

約数の個数: 24

約数和(自身を含む): 584815392

約数和(自身を除く): 306486452

約数列:

[1, 2, 4, 5, 10, 20, 2857, 4871, 5714, 9742, 11428, 14285, 19484, 24355, 28570, 48710, 57140, 97420, 13916447, 27832894, 55665788, 69582235, 139164470, 278328940]

約数ペア:

[(1, 278328940), (2, 139164470), (4, 69582235), (5, 55665788), (10, 27832894), (20, 13916447), (2857, 97420), (4871, 57140), (5714, 48710), (9742, 28570), (11428, 24355), (14285, 19484)]