84828680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 197208000

約数和(自身を除く): 112379320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 149, 172, 215, 298, 331, 344, 430, 596, 662, 745, 860, 1192, 1324, 1490, 1655, 1720, 2648, 2980, 3310, 5960, 6407, 6620, 12814, 13240, 14233, 25628, 28466, 32035, 49319, 51256, 56932, 64070, 71165, 98638, 113864, 128140, 142330, 197276, 246595, 256280, 284660, 394552, 493190, 569320, 986380, 1972760, 2120717, 4241434, 8482868, 10603585, 16965736, 21207170, 42414340, 84828680]

約数ペア:

[(1, 84828680), (2, 42414340), (4, 21207170), (5, 16965736), (8, 10603585), (10, 8482868), (20, 4241434), (40, 2120717), (43, 1972760), (86, 986380), (149, 569320), (172, 493190), (215, 394552), (298, 284660), (331, 256280), (344, 246595), (430, 197276), (596, 142330), (662, 128140), (745, 113864), (860, 98638), (1192, 71165), (1324, 64070), (1490, 56932), (1655, 51256), (1720, 49319), (2648, 32035), (2980, 28466), (3310, 25628), (5960, 14233), (6407, 13240), (6620, 12814)]