156970900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{14401}}^1$

素因数の和:14524

約数の個数: 36

約数和(自身を含む): 343775740

約数和(自身を除く): 186804840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 14401, 28802, 57604, 72005, 144010, 288020, 360025, 720050, 1440100, 1569709, 3139418, 6278836, 7848545, 15697090, 31394180, 39242725, 78485450, 156970900]

約数ペア:

[(1, 156970900), (2, 78485450), (4, 39242725), (5, 31394180), (10, 15697090), (20, 7848545), (25, 6278836), (50, 3139418), (100, 1569709), (109, 1440100), (218, 720050), (436, 360025), (545, 288020), (1090, 144010), (2180, 72005), (2725, 57604), (5450, 28802), (10900, 14401)]