90109208

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 200293440

約数和(自身を除く): 110184232

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 157, 259, 277, 296, 314, 518, 554, 628, 1036, 1099, 1108, 1256, 1939, 2072, 2198, 2216, 3878, 4396, 5809, 7756, 8792, 10249, 11618, 15512, 20498, 23236, 40663, 40996, 43489, 46472, 71743, 81326, 81992, 86978, 143486, 162652, 173956, 286972, 304423, 325304, 347912, 573944, 608846, 1217692, 1609093, 2435384, 3218186, 6436372, 11263651, 12872744, 22527302, 45054604, 90109208]

約数ペア:

[(1, 90109208), (2, 45054604), (4, 22527302), (7, 12872744), (8, 11263651), (14, 6436372), (28, 3218186), (37, 2435384), (56, 1609093), (74, 1217692), (148, 608846), (157, 573944), (259, 347912), (277, 325304), (296, 304423), (314, 286972), (518, 173956), (554, 162652), (628, 143486), (1036, 86978), (1099, 81992), (1108, 81326), (1256, 71743), (1939, 46472), (2072, 43489), (2198, 40996), (2216, 40663), (3878, 23236), (4396, 20498), (5809, 15512), (7756, 11618), (8792, 10249)]