489450999020

素因数分解:

$2^2\times 5^1\times {\mathrm{8923}}^1\times {\mathrm{2742637}}^1$

素因数の和:2751569

約数の個数: 24

約数和(自身を含む): 1027962663504

約数和(自身を除く): 538511664484

約数列:

[1, 2, 4, 5, 10, 20, 8923, 17846, 35692, 44615, 89230, 178460, 2742637, 5485274, 10970548, 13713185, 27426370, 54852740, 24472549951, 48945099902, 97890199804, 122362749755, 244725499510, 489450999020]

約数ペア:

[(1, 489450999020), (2, 244725499510), (4, 122362749755), (5, 97890199804), (10, 48945099902), (20, 24472549951), (8923, 54852740), (17846, 27426370), (35692, 13713185), (44615, 10970548), (89230, 5485274), (178460, 2742637)]