71378440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13417}}^1$

素因数の和:13454

約数の個数: 64

約数和(自身を含む): 193219200

約数和(自身を除く): 121840760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 13417, 26834, 53668, 67085, 93919, 107336, 134170, 187838, 254923, 268340, 375676, 469595, 509846, 536680, 751352, 939190, 1019692, 1274615, 1784461, 1878380, 2039384, 2549230, 3568922, 3756760, 5098460, 7137844, 8922305, 10196920, 14275688, 17844610, 35689220, 71378440]

約数ペア:

[(1, 71378440), (2, 35689220), (4, 17844610), (5, 14275688), (7, 10196920), (8, 8922305), (10, 7137844), (14, 5098460), (19, 3756760), (20, 3568922), (28, 2549230), (35, 2039384), (38, 1878380), (40, 1784461), (56, 1274615), (70, 1019692), (76, 939190), (95, 751352), (133, 536680), (140, 509846), (152, 469595), (190, 375676), (266, 268340), (280, 254923), (380, 187838), (532, 134170), (665, 107336), (760, 93919), (1064, 67085), (1330, 53668), (2660, 26834), (5320, 13417)]