285628520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1429}}^1$

素因数の和:1722

約数の個数: 64

約数和(自身を含む): 679536000

約数和(自身を除く): 393907480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 263, 380, 526, 760, 1052, 1315, 1429, 2104, 2630, 2858, 4997, 5260, 5716, 7145, 9994, 10520, 11432, 14290, 19988, 24985, 27151, 28580, 39976, 49970, 54302, 57160, 99940, 108604, 135755, 199880, 217208, 271510, 375827, 543020, 751654, 1086040, 1503308, 1879135, 3006616, 3758270, 7140713, 7516540, 14281426, 15033080, 28562852, 35703565, 57125704, 71407130, 142814260, 285628520]

約数ペア:

[(1, 285628520), (2, 142814260), (4, 71407130), (5, 57125704), (8, 35703565), (10, 28562852), (19, 15033080), (20, 14281426), (38, 7516540), (40, 7140713), (76, 3758270), (95, 3006616), (152, 1879135), (190, 1503308), (263, 1086040), (380, 751654), (526, 543020), (760, 375827), (1052, 271510), (1315, 217208), (1429, 199880), (2104, 135755), (2630, 108604), (2858, 99940), (4997, 57160), (5260, 54302), (5716, 49970), (7145, 39976), (9994, 28580), (10520, 27151), (11432, 24985), (14290, 19988)]