38904040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:911

約数の個数: 96

約数和(自身を含む): 106375680

約数和(自身を除く): 67471640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 863, 920, 980, 1127, 1288, 1610, 1726, 1960, 2254, 3220, 3452, 4315, 4508, 5635, 6041, 6440, 6904, 8630, 9016, 11270, 12082, 17260, 19849, 22540, 24164, 30205, 34520, 39698, 42287, 45080, 48328, 60410, 79396, 84574, 99245, 120820, 138943, 158792, 169148, 198490, 211435, 241640, 277886, 338296, 396980, 422870, 555772, 694715, 793960, 845740, 972601, 1111544, 1389430, 1691480, 1945202, 2778860, 3890404, 4863005, 5557720, 7780808, 9726010, 19452020, 38904040]

約数ペア:

[(1, 38904040), (2, 19452020), (4, 9726010), (5, 7780808), (7, 5557720), (8, 4863005), (10, 3890404), (14, 2778860), (20, 1945202), (23, 1691480), (28, 1389430), (35, 1111544), (40, 972601), (46, 845740), (49, 793960), (56, 694715), (70, 555772), (92, 422870), (98, 396980), (115, 338296), (140, 277886), (161, 241640), (184, 211435), (196, 198490), (230, 169148), (245, 158792), (280, 138943), (322, 120820), (392, 99245), (460, 84574), (490, 79396), (644, 60410), (805, 48328), (863, 45080), (920, 42287), (980, 39698), (1127, 34520), (1288, 30205), (1610, 24164), (1726, 22540), (1960, 19849), (2254, 17260), (3220, 12082), (3452, 11270), (4315, 9016), (4508, 8630), (5635, 6904), (6041, 6440)]