1205108360

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{276401}}^1$

素因数の和:276521

約数の個数: 32

約数和(自身を含む): 2736379800

約数和(自身を除く): 1531271440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 276401, 552802, 1105604, 1382005, 2211208, 2764010, 5528020, 11056040, 30127709, 60255418, 120510836, 150638545, 241021672, 301277090, 602554180, 1205108360]

約数ペア:

[(1, 1205108360), (2, 602554180), (4, 301277090), (5, 241021672), (8, 150638545), (10, 120510836), (20, 60255418), (40, 30127709), (109, 11056040), (218, 5528020), (436, 2764010), (545, 2211208), (872, 1382005), (1090, 1105604), (2180, 552802), (4360, 276401)]