64187900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1951}}^1$

素因数の和:2019

約数の個数: 72

約数和(自身を含む): 162656256

約数和(自身を除く): 98468356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 658, 700, 940, 1175, 1316, 1645, 1951, 2350, 3290, 3902, 4700, 6580, 7804, 8225, 9755, 13657, 16450, 19510, 27314, 32900, 39020, 48775, 54628, 68285, 91697, 97550, 136570, 183394, 195100, 273140, 341425, 366788, 458485, 641879, 682850, 916970, 1283758, 1365700, 1833940, 2292425, 2567516, 3209395, 4584850, 6418790, 9169700, 12837580, 16046975, 32093950, 64187900]

約数ペア:

[(1, 64187900), (2, 32093950), (4, 16046975), (5, 12837580), (7, 9169700), (10, 6418790), (14, 4584850), (20, 3209395), (25, 2567516), (28, 2292425), (35, 1833940), (47, 1365700), (50, 1283758), (70, 916970), (94, 682850), (100, 641879), (140, 458485), (175, 366788), (188, 341425), (235, 273140), (329, 195100), (350, 183394), (470, 136570), (658, 97550), (700, 91697), (940, 68285), (1175, 54628), (1316, 48775), (1645, 39020), (1951, 32900), (2350, 27314), (3290, 19510), (3902, 16450), (4700, 13657), (6580, 9755), (7804, 8225)]