207901780

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{22549}}^1$

素因数の和:23019

約数の個数: 24

約数和(自身を含む): 437560200

約数和(自身を除く): 229658420

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 22549, 45098, 90196, 112745, 225490, 450980, 10395089, 20790178, 41580356, 51975445, 103950890, 207901780]

約数ペア:

[(1, 207901780), (2, 103950890), (4, 51975445), (5, 41580356), (10, 20790178), (20, 10395089), (461, 450980), (922, 225490), (1844, 112745), (2305, 90196), (4610, 45098), (9220, 22549)]