157291225

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 262483200

約数和(自身を除く): 105191975

約数列:

[1, 5, 7, 13, 17, 25, 35, 49, 65, 83, 85, 91, 119, 175, 221, 245, 325, 343, 415, 425, 455, 581, 595, 637, 833, 1079, 1105, 1225, 1411, 1547, 1715, 2075, 2275, 2905, 2975, 3185, 4067, 4165, 4459, 5395, 5525, 5831, 7055, 7553, 7735, 8575, 9877, 10829, 14525, 15925, 18343, 20335, 20825, 22295, 26975, 28469, 29155, 35275, 37765, 38675, 49385, 52871, 54145, 69139, 75803, 91715, 101675, 111475, 128401, 142345, 145775, 188825, 246925, 264355, 270725, 345695, 370097, 379015, 458575, 483973, 642005, 711725, 898807, 1321775, 1728475, 1850485, 1895075, 2419865, 3210025, 4494035, 6291649, 9252425, 12099325, 22470175, 31458245, 157291225]

約数ペア:

[(1, 157291225), (5, 31458245), (7, 22470175), (13, 12099325), (17, 9252425), (25, 6291649), (35, 4494035), (49, 3210025), (65, 2419865), (83, 1895075), (85, 1850485), (91, 1728475), (119, 1321775), (175, 898807), (221, 711725), (245, 642005), (325, 483973), (343, 458575), (415, 379015), (425, 370097), (455, 345695), (581, 270725), (595, 264355), (637, 246925), (833, 188825), (1079, 145775), (1105, 142345), (1225, 128401), (1411, 111475), (1547, 101675), (1715, 91715), (2075, 75803), (2275, 69139), (2905, 54145), (2975, 52871), (3185, 49385), (4067, 38675), (4165, 37765), (4459, 35275), (5395, 29155), (5525, 28469), (5831, 26975), (7055, 22295), (7553, 20825), (7735, 20335), (8575, 18343), (9877, 15925), (10829, 14525)]