200029520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 475750800

約数和(自身を除く): 275721280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 149, 173, 194, 298, 346, 388, 485, 596, 692, 745, 776, 865, 970, 1192, 1384, 1490, 1552, 1730, 1940, 2384, 2768, 2980, 3460, 3880, 5960, 6920, 7760, 11920, 13840, 14453, 16781, 25777, 28906, 33562, 51554, 57812, 67124, 72265, 83905, 103108, 115624, 128885, 134248, 144530, 167810, 206216, 231248, 257770, 268496, 289060, 335620, 412432, 515540, 578120, 671240, 1031080, 1156240, 1342480, 2062160, 2500369, 5000738, 10001476, 12501845, 20002952, 25003690, 40005904, 50007380, 100014760, 200029520]

約数ペア:

[(1, 200029520), (2, 100014760), (4, 50007380), (5, 40005904), (8, 25003690), (10, 20002952), (16, 12501845), (20, 10001476), (40, 5000738), (80, 2500369), (97, 2062160), (149, 1342480), (173, 1156240), (194, 1031080), (298, 671240), (346, 578120), (388, 515540), (485, 412432), (596, 335620), (692, 289060), (745, 268496), (776, 257770), (865, 231248), (970, 206216), (1192, 167810), (1384, 144530), (1490, 134248), (1552, 128885), (1730, 115624), (1940, 103108), (2384, 83905), (2768, 72265), (2980, 67124), (3460, 57812), (3880, 51554), (5960, 33562), (6920, 28906), (7760, 25777), (11920, 16781), (13840, 14453)]