387895268840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{64221071}}^1$

素因数の和:64221233

約数の個数: 32

約数和(自身を含む): 878544264960

約数和(自身を除く): 490648996120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 64221071, 128442142, 256884284, 321105355, 513768568, 642210710, 1284421420, 2568842840, 9697381721, 19394763442, 38789526884, 48486908605, 77579053768, 96973817210, 193947634420, 387895268840]

約数ペア:

[(1, 387895268840), (2, 193947634420), (4, 96973817210), (5, 77579053768), (8, 48486908605), (10, 38789526884), (20, 19394763442), (40, 9697381721), (151, 2568842840), (302, 1284421420), (604, 642210710), (755, 513768568), (1208, 321105355), (1510, 256884284), (3020, 128442142), (6040, 64221071)]