211096980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37831}}^1$

素因数の和:37877

約数の個数: 72

約数和(自身を含む): 661000704

約数和(自身を除く): 449903724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 37831, 75662, 113493, 151324, 189155, 226986, 340479, 378310, 453972, 567465, 680958, 756620, 1134930, 1172761, 1361916, 1702395, 2269860, 2345522, 3404790, 3518283, 4691044, 5863805, 6809580, 7036566, 10554849, 11727610, 14073132, 17591415, 21109698, 23455220, 35182830, 42219396, 52774245, 70365660, 105548490, 211096980]

約数ペア:

[(1, 211096980), (2, 105548490), (3, 70365660), (4, 52774245), (5, 42219396), (6, 35182830), (9, 23455220), (10, 21109698), (12, 17591415), (15, 14073132), (18, 11727610), (20, 10554849), (30, 7036566), (31, 6809580), (36, 5863805), (45, 4691044), (60, 3518283), (62, 3404790), (90, 2345522), (93, 2269860), (124, 1702395), (155, 1361916), (180, 1172761), (186, 1134930), (279, 756620), (310, 680958), (372, 567465), (465, 453972), (558, 378310), (620, 340479), (930, 226986), (1116, 189155), (1395, 151324), (1860, 113493), (2790, 75662), (5580, 37831)]