90437060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{645979}}^1$

素因数の和:645995

約数の個数: 24

約数和(自身を含む): 217049280

約数和(自身を除く): 126612220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 645979, 1291958, 2583916, 3229895, 4521853, 6459790, 9043706, 12919580, 18087412, 22609265, 45218530, 90437060]

約数ペア:

[(1, 90437060), (2, 45218530), (4, 22609265), (5, 18087412), (7, 12919580), (10, 9043706), (14, 6459790), (20, 4521853), (28, 3229895), (35, 2583916), (70, 1291958), (140, 645979)]