74172020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 180478368

約数和(自身を除く): 106306348

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 97, 130, 170, 173, 194, 221, 260, 340, 346, 388, 442, 485, 692, 865, 884, 970, 1105, 1261, 1649, 1730, 1940, 2210, 2249, 2522, 2941, 3298, 3460, 4420, 4498, 5044, 5882, 6305, 6596, 8245, 8996, 11245, 11764, 12610, 14705, 16490, 16781, 21437, 22490, 25220, 29410, 32980, 33562, 38233, 42874, 44980, 58820, 67124, 76466, 83905, 85748, 107185, 152932, 167810, 191165, 214370, 218153, 285277, 335620, 382330, 428740, 436306, 570554, 764660, 872612, 1090765, 1141108, 1426385, 2181530, 2852770, 3708601, 4363060, 5705540, 7417202, 14834404, 18543005, 37086010, 74172020]

約数ペア:

[(1, 74172020), (2, 37086010), (4, 18543005), (5, 14834404), (10, 7417202), (13, 5705540), (17, 4363060), (20, 3708601), (26, 2852770), (34, 2181530), (52, 1426385), (65, 1141108), (68, 1090765), (85, 872612), (97, 764660), (130, 570554), (170, 436306), (173, 428740), (194, 382330), (221, 335620), (260, 285277), (340, 218153), (346, 214370), (388, 191165), (442, 167810), (485, 152932), (692, 107185), (865, 85748), (884, 83905), (970, 76466), (1105, 67124), (1261, 58820), (1649, 44980), (1730, 42874), (1940, 38233), (2210, 33562), (2249, 32980), (2522, 29410), (2941, 25220), (3298, 22490), (3460, 21437), (4420, 16781), (4498, 16490), (5044, 14705), (5882, 12610), (6305, 11764), (6596, 11245), (8245, 8996)]