90424460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{645889}}^1$

素因数の和:645905

約数の個数: 24

約数和(自身を含む): 217019040

約数和(自身を除く): 126594580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 645889, 1291778, 2583556, 3229445, 4521223, 6458890, 9042446, 12917780, 18084892, 22606115, 45212230, 90424460]

約数ペア:

[(1, 90424460), (2, 45212230), (4, 22606115), (5, 18084892), (7, 12917780), (10, 9042446), (14, 6458890), (20, 4521223), (28, 3229445), (35, 2583556), (70, 1291778), (140, 645889)]