67251070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 133358400

約数和(自身を除く): 66107330

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 89, 95, 97, 178, 190, 194, 205, 410, 445, 485, 779, 890, 970, 1558, 1691, 1843, 3382, 3649, 3686, 3895, 3977, 7298, 7790, 7954, 8455, 8633, 9215, 16910, 17266, 18245, 18430, 19885, 36490, 39770, 43165, 69331, 75563, 86330, 138662, 151126, 164027, 328054, 346655, 353953, 377815, 693310, 707906, 755630, 820135, 1640270, 1769765, 3539530, 6725107, 13450214, 33625535, 67251070]

約数ペア:

[(1, 67251070), (2, 33625535), (5, 13450214), (10, 6725107), (19, 3539530), (38, 1769765), (41, 1640270), (82, 820135), (89, 755630), (95, 707906), (97, 693310), (178, 377815), (190, 353953), (194, 346655), (205, 328054), (410, 164027), (445, 151126), (485, 138662), (779, 86330), (890, 75563), (970, 69331), (1558, 43165), (1691, 39770), (1843, 36490), (3382, 19885), (3649, 18430), (3686, 18245), (3895, 17266), (3977, 16910), (7298, 9215), (7790, 8633), (7954, 8455)]