281337321890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{202400951}}^1$

素因数の和:202401097

約数の個数: 16

約数和(自身を含む): 510050399040

約数和(自身を除く): 228713077150

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 202400951, 404801902, 1012004755, 2024009510, 28133732189, 56267464378, 140668660945, 281337321890]

約数ペア:

[(1, 281337321890), (2, 140668660945), (5, 56267464378), (10, 28133732189), (139, 2024009510), (278, 1012004755), (695, 404801902), (1390, 202400951)]