206433080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{105323}}^1$

素因数の和:105348

約数の個数: 48

約数和(自身を含む): 540312120

約数和(自身を除く): 333879040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 105323, 210646, 421292, 526615, 737261, 842584, 1053230, 1474522, 2106460, 2949044, 3686305, 4212920, 5160827, 5898088, 7372610, 10321654, 14745220, 20643308, 25804135, 29490440, 41286616, 51608270, 103216540, 206433080]

約数ペア:

[(1, 206433080), (2, 103216540), (4, 51608270), (5, 41286616), (7, 29490440), (8, 25804135), (10, 20643308), (14, 14745220), (20, 10321654), (28, 7372610), (35, 5898088), (40, 5160827), (49, 4212920), (56, 3686305), (70, 2949044), (98, 2106460), (140, 1474522), (196, 1053230), (245, 842584), (280, 737261), (392, 526615), (490, 421292), (980, 210646), (1960, 105323)]