697349380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:594

約数の個数: 144

約数和(自身を含む): 1853300736

約数和(自身を除く): 1155951356

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 127, 130, 140, 182, 196, 245, 254, 260, 364, 431, 455, 490, 508, 635, 637, 862, 889, 910, 980, 1270, 1274, 1651, 1724, 1778, 1820, 2155, 2540, 2548, 3017, 3185, 3302, 3556, 4310, 4445, 5603, 6034, 6223, 6370, 6604, 8255, 8620, 8890, 11206, 11557, 12068, 12446, 12740, 15085, 16510, 17780, 21119, 22412, 23114, 24892, 28015, 30170, 31115, 33020, 39221, 42238, 46228, 54737, 56030, 57785, 60340, 62230, 78442, 80899, 84476, 105595, 109474, 112060, 115570, 124460, 156884, 161798, 196105, 211190, 218948, 231140, 273685, 274547, 323596, 383159, 392210, 404495, 422380, 547370, 549094, 711581, 766318, 784420, 808990, 1094740, 1098188, 1372735, 1423162, 1532636, 1617980, 1915795, 2682113, 2745470, 2846324, 3557905, 3831590, 4981067, 5364226, 5490940, 7115810, 7663180, 9962134, 10728452, 13410565, 14231620, 19924268, 24905335, 26821130, 34867469, 49810670, 53642260, 69734938, 99621340, 139469876, 174337345, 348674690, 697349380]

約数ペア:

[(1, 697349380), (2, 348674690), (4, 174337345), (5, 139469876), (7, 99621340), (10, 69734938), (13, 53642260), (14, 49810670), (20, 34867469), (26, 26821130), (28, 24905335), (35, 19924268), (49, 14231620), (52, 13410565), (65, 10728452), (70, 9962134), (91, 7663180), (98, 7115810), (127, 5490940), (130, 5364226), (140, 4981067), (182, 3831590), (196, 3557905), (245, 2846324), (254, 2745470), (260, 2682113), (364, 1915795), (431, 1617980), (455, 1532636), (490, 1423162), (508, 1372735), (635, 1098188), (637, 1094740), (862, 808990), (889, 784420), (910, 766318), (980, 711581), (1270, 549094), (1274, 547370), (1651, 422380), (1724, 404495), (1778, 392210), (1820, 383159), (2155, 323596), (2540, 274547), (2548, 273685), (3017, 231140), (3185, 218948), (3302, 211190), (3556, 196105), (4310, 161798), (4445, 156884), (5603, 124460), (6034, 115570), (6223, 112060), (6370, 109474), (6604, 105595), (8255, 84476), (8620, 80899), (8890, 78442), (11206, 62230), (11557, 60340), (12068, 57785), (12446, 56030), (12740, 54737), (15085, 46228), (16510, 42238), (17780, 39221), (21119, 33020), (22412, 31115), (23114, 30170), (24892, 28015)]