64172500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 169695680

約数和(自身を除く): 105523180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 125, 133, 140, 175, 190, 193, 250, 266, 350, 380, 386, 475, 500, 532, 625, 665, 700, 772, 875, 950, 965, 1250, 1330, 1351, 1750, 1900, 1930, 2375, 2500, 2660, 2702, 3325, 3500, 3667, 3860, 4375, 4750, 4825, 5404, 6650, 6755, 7334, 8750, 9500, 9650, 11875, 13300, 13510, 14668, 16625, 17500, 18335, 19300, 23750, 24125, 25669, 27020, 33250, 33775, 36670, 47500, 48250, 51338, 66500, 67550, 73340, 83125, 91675, 96500, 102676, 120625, 128345, 135100, 166250, 168875, 183350, 241250, 256690, 332500, 337750, 366700, 458375, 482500, 513380, 641725, 675500, 844375, 916750, 1283450, 1688750, 1833500, 2291875, 2566900, 3208625, 3377500, 4583750, 6417250, 9167500, 12834500, 16043125, 32086250, 64172500]

約数ペア:

[(1, 64172500), (2, 32086250), (4, 16043125), (5, 12834500), (7, 9167500), (10, 6417250), (14, 4583750), (19, 3377500), (20, 3208625), (25, 2566900), (28, 2291875), (35, 1833500), (38, 1688750), (50, 1283450), (70, 916750), (76, 844375), (95, 675500), (100, 641725), (125, 513380), (133, 482500), (140, 458375), (175, 366700), (190, 337750), (193, 332500), (250, 256690), (266, 241250), (350, 183350), (380, 168875), (386, 166250), (475, 135100), (500, 128345), (532, 120625), (625, 102676), (665, 96500), (700, 91675), (772, 83125), (875, 73340), (950, 67550), (965, 66500), (1250, 51338), (1330, 48250), (1351, 47500), (1750, 36670), (1900, 33775), (1930, 33250), (2375, 27020), (2500, 25669), (2660, 24125), (2702, 23750), (3325, 19300), (3500, 18335), (3667, 17500), (3860, 16625), (4375, 14668), (4750, 13510), (4825, 13300), (5404, 11875), (6650, 9650), (6755, 9500), (7334, 8750)]