9078890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^2$

素因数の和:298

約数の個数: 24

約数和(自身を含む): 16690860

約数和(自身を除く): 7611970

約数列:

[1, 2, 5, 10, 89, 101, 178, 202, 445, 505, 890, 1010, 8989, 10201, 17978, 20402, 44945, 51005, 89890, 102010, 907889, 1815778, 4539445, 9078890]

約数ペア:

[(1, 9078890), (2, 4539445), (5, 1815778), (10, 907889), (89, 102010), (101, 89890), (178, 51005), (202, 44945), (445, 20402), (505, 17978), (890, 10201), (1010, 8989)]