2459990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 4838400

約数和(自身を除く): 2378410

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 149, 254, 298, 635, 745, 1270, 1490, 1651, 1937, 3302, 3874, 8255, 9685, 16510, 18923, 19370, 37846, 94615, 189230, 245999, 491998, 1229995, 2459990]

約数ペア:

[(1, 2459990), (2, 1229995), (5, 491998), (10, 245999), (13, 189230), (26, 94615), (65, 37846), (127, 19370), (130, 18923), (149, 16510), (254, 9685), (298, 8255), (635, 3874), (745, 3302), (1270, 1937), (1490, 1651)]