156928009220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1218953}}^1$

素因数の和:1219160

約数の個数: 48

約数和(自身を含む): 339737107248

約数和(自身を除く): 182809098028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 1570, 3140, 6437, 12874, 25748, 32185, 64370, 128740, 1218953, 2437906, 4875812, 6094765, 12189530, 24379060, 49977073, 99954146, 191375621, 199908292, 249885365, 382751242, 499770730, 765502484, 956878105, 999541460, 1913756210, 3827512420, 7846400461, 15692800922, 31385601844, 39232002305, 78464004610, 156928009220]

約数ペア:

[(1, 156928009220), (2, 78464004610), (4, 39232002305), (5, 31385601844), (10, 15692800922), (20, 7846400461), (41, 3827512420), (82, 1913756210), (157, 999541460), (164, 956878105), (205, 765502484), (314, 499770730), (410, 382751242), (628, 249885365), (785, 199908292), (820, 191375621), (1570, 99954146), (3140, 49977073), (6437, 24379060), (12874, 12189530), (25748, 6094765), (32185, 4875812), (64370, 2437906), (128740, 1218953)]