2980900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2320

約数の個数: 36

約数和(自身を含む): 6969172

約数和(自身を除く): 3988272

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 2293, 4586, 9172, 11465, 22930, 29809, 45860, 57325, 59618, 114650, 119236, 149045, 229300, 298090, 596180, 745225, 1490450, 2980900]

約数ペア:

[(1, 2980900), (2, 1490450), (4, 745225), (5, 596180), (10, 298090), (13, 229300), (20, 149045), (25, 119236), (26, 114650), (50, 59618), (52, 57325), (65, 45860), (100, 29809), (130, 22930), (260, 11465), (325, 9172), (650, 4586), (1300, 2293)]