489888890

素因数分解:

$2^1\times 5^1\times {\mathrm{4217}}^1\times {\mathrm{11617}}^1$

素因数の和:15841

約数の個数: 16

約数和(自身を含む): 882085032

約数和(自身を除く): 392196142

約数列:

[1, 2, 5, 10, 4217, 8434, 11617, 21085, 23234, 42170, 58085, 116170, 48988889, 97977778, 244944445, 489888890]

約数ペア:

[(1, 489888890), (2, 244944445), (5, 97977778), (10, 48988889), (4217, 116170), (8434, 58085), (11617, 42170), (21085, 23234)]