90489340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{61979}}^1$

素因数の和:62061

約数の個数: 24

約数和(自身を含む): 192633840

約数和(自身を除く): 102144500

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 61979, 123958, 247916, 309895, 619790, 1239580, 4524467, 9048934, 18097868, 22622335, 45244670, 90489340]

約数ペア:

[(1, 90489340), (2, 45244670), (4, 22622335), (5, 18097868), (10, 9048934), (20, 4524467), (73, 1239580), (146, 619790), (292, 309895), (365, 247916), (730, 123958), (1460, 61979)]