307540040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{126041}}^1$

素因数の和:126113

約数の個数: 32

約数和(自身を含む): 703314360

約数和(自身を除く): 395774320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 126041, 252082, 504164, 630205, 1008328, 1260410, 2520820, 5041640, 7688501, 15377002, 30754004, 38442505, 61508008, 76885010, 153770020, 307540040]

約数ペア:

[(1, 307540040), (2, 153770020), (4, 76885010), (5, 61508008), (8, 38442505), (10, 30754004), (20, 15377002), (40, 7688501), (61, 5041640), (122, 2520820), (244, 1260410), (305, 1008328), (488, 630205), (610, 504164), (1220, 252082), (2440, 126041)]