2873260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 6674976

約数和(自身を除く): 3801716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 257, 260, 430, 514, 559, 860, 1028, 1118, 1285, 2236, 2570, 2795, 3341, 5140, 5590, 6682, 11051, 11180, 13364, 16705, 22102, 33410, 44204, 55255, 66820, 110510, 143663, 221020, 287326, 574652, 718315, 1436630, 2873260]

約数ペア:

[(1, 2873260), (2, 1436630), (4, 718315), (5, 574652), (10, 287326), (13, 221020), (20, 143663), (26, 110510), (43, 66820), (52, 55255), (65, 44204), (86, 33410), (130, 22102), (172, 16705), (215, 13364), (257, 11180), (260, 11051), (430, 6682), (514, 5590), (559, 5140), (860, 3341), (1028, 2795), (1118, 2570), (1285, 2236)]