212683240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 601344000

約数和(自身を除く): 388660760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 199, 220, 280, 308, 347, 385, 398, 440, 616, 694, 770, 796, 995, 1388, 1393, 1540, 1592, 1735, 1990, 2189, 2429, 2776, 2786, 3080, 3470, 3817, 3980, 4378, 4858, 5572, 6940, 6965, 7634, 7960, 8756, 9716, 10945, 11144, 12145, 13880, 13930, 15268, 15323, 17512, 19085, 19432, 21890, 24290, 26719, 27860, 30536, 30646, 38170, 43780, 48580, 53438, 55720, 61292, 69053, 76340, 76615, 87560, 97160, 106876, 122584, 133595, 138106, 152680, 153230, 213752, 267190, 276212, 306460, 345265, 483371, 534380, 552424, 612920, 690530, 759583, 966742, 1068760, 1381060, 1519166, 1933484, 2416855, 2762120, 3038332, 3797915, 3866968, 4833710, 5317081, 6076664, 7595830, 9667420, 10634162, 15191660, 19334840, 21268324, 26585405, 30383320, 42536648, 53170810, 106341620, 212683240]

約数ペア:

[(1, 212683240), (2, 106341620), (4, 53170810), (5, 42536648), (7, 30383320), (8, 26585405), (10, 21268324), (11, 19334840), (14, 15191660), (20, 10634162), (22, 9667420), (28, 7595830), (35, 6076664), (40, 5317081), (44, 4833710), (55, 3866968), (56, 3797915), (70, 3038332), (77, 2762120), (88, 2416855), (110, 1933484), (140, 1519166), (154, 1381060), (199, 1068760), (220, 966742), (280, 759583), (308, 690530), (347, 612920), (385, 552424), (398, 534380), (440, 483371), (616, 345265), (694, 306460), (770, 276212), (796, 267190), (995, 213752), (1388, 153230), (1393, 152680), (1540, 138106), (1592, 133595), (1735, 122584), (1990, 106876), (2189, 97160), (2429, 87560), (2776, 76615), (2786, 76340), (3080, 69053), (3470, 61292), (3817, 55720), (3980, 53438), (4378, 48580), (4858, 43780), (5572, 38170), (6940, 30646), (6965, 30536), (7634, 27860), (7960, 26719), (8756, 24290), (9716, 21890), (10945, 19432), (11144, 19085), (12145, 17512), (13880, 15323), (13930, 15268)]