201399440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2897}}^1$

素因数の和:3000

約数の個数: 80

約数和(自身を含む): 517466880

約数和(自身を除く): 316067440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 2897, 3160, 3476, 4345, 5794, 6320, 6952, 8690, 11588, 13904, 14485, 17380, 23176, 28970, 31867, 34760, 46352, 57940, 63734, 69520, 115880, 127468, 159335, 228863, 231760, 254936, 318670, 457726, 509872, 637340, 915452, 1144315, 1274680, 1830904, 2288630, 2517493, 2549360, 3661808, 4577260, 5034986, 9154520, 10069972, 12587465, 18309040, 20139944, 25174930, 40279888, 50349860, 100699720, 201399440]

約数ペア:

[(1, 201399440), (2, 100699720), (4, 50349860), (5, 40279888), (8, 25174930), (10, 20139944), (11, 18309040), (16, 12587465), (20, 10069972), (22, 9154520), (40, 5034986), (44, 4577260), (55, 3661808), (79, 2549360), (80, 2517493), (88, 2288630), (110, 1830904), (158, 1274680), (176, 1144315), (220, 915452), (316, 637340), (395, 509872), (440, 457726), (632, 318670), (790, 254936), (869, 231760), (880, 228863), (1264, 159335), (1580, 127468), (1738, 115880), (2897, 69520), (3160, 63734), (3476, 57940), (4345, 46352), (5794, 34760), (6320, 31867), (6952, 28970), (8690, 23176), (11588, 17380), (13904, 14485)]