2609340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 7379232

約数和(自身を除く): 4769892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 277, 314, 471, 554, 628, 785, 831, 942, 1108, 1385, 1570, 1662, 1884, 2355, 2770, 3140, 3324, 4155, 4710, 5540, 8310, 9420, 16620, 43489, 86978, 130467, 173956, 217445, 260934, 434890, 521868, 652335, 869780, 1304670, 2609340]

約数ペア:

[(1, 2609340), (2, 1304670), (3, 869780), (4, 652335), (5, 521868), (6, 434890), (10, 260934), (12, 217445), (15, 173956), (20, 130467), (30, 86978), (60, 43489), (157, 16620), (277, 9420), (314, 8310), (471, 5540), (554, 4710), (628, 4155), (785, 3324), (831, 3140), (942, 2770), (1108, 2355), (1385, 1884), (1570, 1662)]