83700820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 205922304

約数和(自身を除く): 122221484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 383, 446, 490, 766, 892, 980, 1115, 1532, 1561, 1915, 2230, 2681, 3122, 3830, 4460, 5362, 6244, 7660, 7805, 10724, 10927, 13405, 15610, 18767, 21854, 26810, 31220, 37534, 43708, 53620, 54635, 75068, 85409, 93835, 109270, 170818, 187670, 218540, 341636, 375340, 427045, 597863, 854090, 1195726, 1708180, 2391452, 2989315, 4185041, 5978630, 8370082, 11957260, 16740164, 20925205, 41850410, 83700820]

約数ペア:

[(1, 83700820), (2, 41850410), (4, 20925205), (5, 16740164), (7, 11957260), (10, 8370082), (14, 5978630), (20, 4185041), (28, 2989315), (35, 2391452), (49, 1708180), (70, 1195726), (98, 854090), (140, 597863), (196, 427045), (223, 375340), (245, 341636), (383, 218540), (446, 187670), (490, 170818), (766, 109270), (892, 93835), (980, 85409), (1115, 75068), (1532, 54635), (1561, 53620), (1915, 43708), (2230, 37534), (2681, 31220), (3122, 26810), (3830, 21854), (4460, 18767), (5362, 15610), (6244, 13405), (7660, 10927), (7805, 10724)]