189894850

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 360914400

約数和(自身を除く): 171019550

約数列:

[1, 2, 5, 10, 25, 50, 89, 139, 178, 278, 307, 445, 614, 695, 890, 1390, 1535, 2225, 3070, 3475, 4450, 6950, 7675, 12371, 15350, 24742, 27323, 42673, 54646, 61855, 85346, 123710, 136615, 213365, 273230, 309275, 426730, 618550, 683075, 1066825, 1366150, 2133650, 3797897, 7595794, 18989485, 37978970, 94947425, 189894850]

約数ペア:

[(1, 189894850), (2, 94947425), (5, 37978970), (10, 18989485), (25, 7595794), (50, 3797897), (89, 2133650), (139, 1366150), (178, 1066825), (278, 683075), (307, 618550), (445, 426730), (614, 309275), (695, 273230), (890, 213365), (1390, 136615), (1535, 123710), (2225, 85346), (3070, 61855), (3475, 54646), (4450, 42673), (6950, 27323), (7675, 24742), (12371, 15350)]