2195260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 4989600

約数和(自身を除く): 2794340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 109, 190, 212, 218, 265, 380, 436, 530, 545, 1007, 1060, 1090, 2014, 2071, 2180, 4028, 4142, 5035, 5777, 8284, 10070, 10355, 11554, 20140, 20710, 23108, 28885, 41420, 57770, 109763, 115540, 219526, 439052, 548815, 1097630, 2195260]

約数ペア:

[(1, 2195260), (2, 1097630), (4, 548815), (5, 439052), (10, 219526), (19, 115540), (20, 109763), (38, 57770), (53, 41420), (76, 28885), (95, 23108), (106, 20710), (109, 20140), (190, 11554), (212, 10355), (218, 10070), (265, 8284), (380, 5777), (436, 5035), (530, 4142), (545, 4028), (1007, 2180), (1060, 2071), (1090, 2014)]