315020900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{28901}}^1$

素因数の和:29024

約数の個数: 36

約数和(自身を含む): 689890740

約数和(自身を除く): 374869840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 28901, 57802, 115604, 144505, 289010, 578020, 722525, 1445050, 2890100, 3150209, 6300418, 12600836, 15751045, 31502090, 63004180, 78755225, 157510450, 315020900]

約数ペア:

[(1, 315020900), (2, 157510450), (4, 78755225), (5, 63004180), (10, 31502090), (20, 15751045), (25, 12600836), (50, 6300418), (100, 3150209), (109, 2890100), (218, 1445050), (436, 722525), (545, 578020), (1090, 289010), (2180, 144505), (2725, 115604), (5450, 57802), (10900, 28901)]