17997400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^2\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 43741620

約数和(自身を除く): 25744220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 107, 116, 145, 200, 214, 232, 290, 428, 535, 580, 725, 841, 856, 1070, 1160, 1450, 1682, 2140, 2675, 2900, 3103, 3364, 4205, 4280, 5350, 5800, 6206, 6728, 8410, 10700, 12412, 15515, 16820, 21025, 21400, 24824, 31030, 33640, 42050, 62060, 77575, 84100, 89987, 124120, 155150, 168200, 179974, 310300, 359948, 449935, 620600, 719896, 899870, 1799740, 2249675, 3599480, 4499350, 8998700, 17997400]

約数ペア:

[(1, 17997400), (2, 8998700), (4, 4499350), (5, 3599480), (8, 2249675), (10, 1799740), (20, 899870), (25, 719896), (29, 620600), (40, 449935), (50, 359948), (58, 310300), (100, 179974), (107, 168200), (116, 155150), (145, 124120), (200, 89987), (214, 84100), (232, 77575), (290, 62060), (428, 42050), (535, 33640), (580, 31030), (725, 24824), (841, 21400), (856, 21025), (1070, 16820), (1160, 15515), (1450, 12412), (1682, 10700), (2140, 8410), (2675, 6728), (2900, 6206), (3103, 5800), (3364, 5350), (4205, 4280)]