30725968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 74995200

約数和(自身を除く): 44269232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 47, 52, 56, 91, 94, 104, 112, 182, 188, 208, 329, 364, 376, 449, 611, 658, 728, 752, 898, 1222, 1316, 1456, 1796, 2444, 2632, 3143, 3592, 4277, 4888, 5264, 5837, 6286, 7184, 8554, 9776, 11674, 12572, 17108, 21103, 23348, 25144, 34216, 40859, 42206, 46696, 50288, 68432, 81718, 84412, 93392, 147721, 163436, 168824, 274339, 295442, 326872, 337648, 548678, 590884, 653744, 1097356, 1181768, 1920373, 2194712, 2363536, 3840746, 4389424, 7681492, 15362984, 30725968]

約数ペア:

[(1, 30725968), (2, 15362984), (4, 7681492), (7, 4389424), (8, 3840746), (13, 2363536), (14, 2194712), (16, 1920373), (26, 1181768), (28, 1097356), (47, 653744), (52, 590884), (56, 548678), (91, 337648), (94, 326872), (104, 295442), (112, 274339), (182, 168824), (188, 163436), (208, 147721), (329, 93392), (364, 84412), (376, 81718), (449, 68432), (611, 50288), (658, 46696), (728, 42206), (752, 40859), (898, 34216), (1222, 25144), (1316, 23348), (1456, 21103), (1796, 17108), (2444, 12572), (2632, 11674), (3143, 9776), (3592, 8554), (4277, 7184), (4888, 6286), (5264, 5837)]