90368495

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 138240000

約数和(自身を除く): 47871505

約数列:

[1, 5, 7, 23, 29, 35, 49, 79, 115, 145, 161, 203, 245, 343, 395, 553, 667, 805, 1015, 1127, 1421, 1715, 1817, 2291, 2765, 3335, 3871, 4669, 5635, 7105, 7889, 9085, 9947, 11455, 12719, 16037, 19355, 23345, 27097, 32683, 39445, 49735, 52693, 63595, 80185, 89033, 112259, 135485, 163415, 228781, 263465, 368851, 445165, 561295, 623231, 785813, 1143905, 1844255, 2581957, 3116155, 3929065, 12909785, 18073699, 90368495]

約数ペア:

[(1, 90368495), (5, 18073699), (7, 12909785), (23, 3929065), (29, 3116155), (35, 2581957), (49, 1844255), (79, 1143905), (115, 785813), (145, 623231), (161, 561295), (203, 445165), (245, 368851), (343, 263465), (395, 228781), (553, 163415), (667, 135485), (805, 112259), (1015, 89033), (1127, 80185), (1421, 63595), (1715, 52693), (1817, 49735), (2291, 39445), (2765, 32683), (3335, 27097), (3871, 23345), (4669, 19355), (5635, 16037), (7105, 12719), (7889, 11455), (9085, 9947)]