12717460

素因数分解:

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

素因数の和:725

約数の個数: 72

約数和(自身を含む): 32749920

約数和(自身を除く): 20032460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 683, 931, 980, 1330, 1366, 1862, 2660, 2732, 3415, 3724, 4655, 4781, 6830, 9310, 9562, 12977, 13660, 18620, 19124, 23905, 25954, 33467, 47810, 51908, 64885, 66934, 90839, 95620, 129770, 133868, 167335, 181678, 259540, 334670, 363356, 454195, 635873, 669340, 908390, 1271746, 1816780, 2543492, 3179365, 6358730, 12717460]

約数ペア:

[(1, 12717460), (2, 6358730), (4, 3179365), (5, 2543492), (7, 1816780), (10, 1271746), (14, 908390), (19, 669340), (20, 635873), (28, 454195), (35, 363356), (38, 334670), (49, 259540), (70, 181678), (76, 167335), (95, 133868), (98, 129770), (133, 95620), (140, 90839), (190, 66934), (196, 64885), (245, 51908), (266, 47810), (380, 33467), (490, 25954), (532, 23905), (665, 19124), (683, 18620), (931, 13660), (980, 12977), (1330, 9562), (1366, 9310), (1862, 6830), (2660, 4781), (2732, 4655), (3415, 3724)]