74487980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 118564180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 76, 82, 95, 133, 140, 164, 190, 205, 266, 287, 380, 410, 532, 574, 665, 683, 779, 820, 1148, 1330, 1366, 1435, 1558, 2660, 2732, 2870, 3116, 3415, 3895, 4781, 5453, 5740, 6830, 7790, 9562, 10906, 12977, 13660, 15580, 19124, 21812, 23905, 25954, 27265, 28003, 47810, 51908, 54530, 56006, 64885, 90839, 95620, 109060, 112012, 129770, 140015, 181678, 196021, 259540, 280030, 363356, 392042, 454195, 532057, 560060, 784084, 908390, 980105, 1064114, 1816780, 1960210, 2128228, 2660285, 3724399, 3920420, 5320570, 7448798, 10641140, 14897596, 18621995, 37243990, 74487980]

約数ペア:

[(1, 74487980), (2, 37243990), (4, 18621995), (5, 14897596), (7, 10641140), (10, 7448798), (14, 5320570), (19, 3920420), (20, 3724399), (28, 2660285), (35, 2128228), (38, 1960210), (41, 1816780), (70, 1064114), (76, 980105), (82, 908390), (95, 784084), (133, 560060), (140, 532057), (164, 454195), (190, 392042), (205, 363356), (266, 280030), (287, 259540), (380, 196021), (410, 181678), (532, 140015), (574, 129770), (665, 112012), (683, 109060), (779, 95620), (820, 90839), (1148, 64885), (1330, 56006), (1366, 54530), (1435, 51908), (1558, 47810), (2660, 28003), (2732, 27265), (2870, 25954), (3116, 23905), (3415, 21812), (3895, 19124), (4781, 15580), (5453, 13660), (5740, 12977), (6830, 10906), (7790, 9562)]