978049145680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{172191751}}^1$

素因数の和:172191835

約数の個数: 40

約数和(自身を含む): 2305991942784

約数和(自身を除く): 1327942797104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 172191751, 344383502, 688767004, 860958755, 1377534008, 1721917510, 2755068016, 3443835020, 6887670040, 12225614321, 13775340080, 24451228642, 48902457284, 61128071605, 97804914568, 122256143210, 195609829136, 244512286420, 489024572840, 978049145680]

約数ペア:

[(1, 978049145680), (2, 489024572840), (4, 244512286420), (5, 195609829136), (8, 122256143210), (10, 97804914568), (16, 61128071605), (20, 48902457284), (40, 24451228642), (71, 13775340080), (80, 12225614321), (142, 6887670040), (284, 3443835020), (355, 2755068016), (568, 1721917510), (710, 1377534008), (1136, 860958755), (1420, 688767004), (2840, 344383502), (5680, 172191751)]