291288605825

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{479}}^1\times {\mathrm{5981}}^1$

素因数の和:6567

約数の個数: 72

約数和(自身を含む): 426190222080

約数和(自身を除く): 134901616255

約数列:

[1, 5, 7, 25, 35, 49, 83, 175, 245, 415, 479, 581, 1225, 2075, 2395, 2905, 3353, 4067, 5981, 11975, 14525, 16765, 20335, 23471, 29905, 39757, 41867, 83825, 101675, 117355, 149525, 198785, 209335, 278299, 293069, 496423, 586775, 993925, 1046675, 1391495, 1465345, 1948093, 2482115, 2864899, 3474961, 6957475, 7326725, 9740465, 12410575, 14324495, 17374805, 20054293, 24324727, 48702325, 71622475, 86874025, 100271465, 121623635, 140380051, 237786617, 501357325, 608118175, 701900255, 1188933085, 1664506319, 3509501275, 5944665425, 8322531595, 11651544233, 41612657975, 58257721165, 291288605825]

約数ペア:

[(1, 291288605825), (5, 58257721165), (7, 41612657975), (25, 11651544233), (35, 8322531595), (49, 5944665425), (83, 3509501275), (175, 1664506319), (245, 1188933085), (415, 701900255), (479, 608118175), (581, 501357325), (1225, 237786617), (2075, 140380051), (2395, 121623635), (2905, 100271465), (3353, 86874025), (4067, 71622475), (5981, 48702325), (11975, 24324727), (14525, 20054293), (16765, 17374805), (20335, 14324495), (23471, 12410575), (29905, 9740465), (39757, 7326725), (41867, 6957475), (83825, 3474961), (101675, 2864899), (117355, 2482115), (149525, 1948093), (198785, 1465345), (209335, 1391495), (278299, 1046675), (293069, 993925), (496423, 586775)]