38691400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 100663200

約数和(自身を除く): 61971800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 43, 44, 50, 55, 86, 88, 100, 110, 172, 200, 215, 220, 275, 344, 409, 430, 440, 473, 550, 818, 860, 946, 1075, 1100, 1636, 1720, 1892, 2045, 2150, 2200, 2365, 3272, 3784, 4090, 4300, 4499, 4730, 8180, 8600, 8998, 9460, 10225, 11825, 16360, 17587, 17996, 18920, 20450, 22495, 23650, 35174, 35992, 40900, 44990, 47300, 70348, 81800, 87935, 89980, 94600, 112475, 140696, 175870, 179960, 193457, 224950, 351740, 386914, 439675, 449900, 703480, 773828, 879350, 899800, 967285, 1547656, 1758700, 1934570, 3517400, 3869140, 4836425, 7738280, 9672850, 19345700, 38691400]

約数ペア:

[(1, 38691400), (2, 19345700), (4, 9672850), (5, 7738280), (8, 4836425), (10, 3869140), (11, 3517400), (20, 1934570), (22, 1758700), (25, 1547656), (40, 967285), (43, 899800), (44, 879350), (50, 773828), (55, 703480), (86, 449900), (88, 439675), (100, 386914), (110, 351740), (172, 224950), (200, 193457), (215, 179960), (220, 175870), (275, 140696), (344, 112475), (409, 94600), (430, 89980), (440, 87935), (473, 81800), (550, 70348), (818, 47300), (860, 44990), (946, 40900), (1075, 35992), (1100, 35174), (1636, 23650), (1720, 22495), (1892, 20450), (2045, 18920), (2150, 17996), (2200, 17587), (2365, 16360), (3272, 11825), (3784, 10225), (4090, 9460), (4300, 8998), (4499, 8600), (4730, 8180)]