64996750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2894

約数の個数: 64

約数和(自身を含む): 149804928

約数和(自身を除く): 84808178

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 650, 875, 910, 1625, 1750, 2275, 2857, 3250, 4550, 5714, 11375, 14285, 19999, 22750, 28570, 37141, 39998, 71425, 74282, 99995, 142850, 185705, 199990, 259987, 357125, 371410, 499975, 519974, 714250, 928525, 999950, 1299935, 1857050, 2499875, 2599870, 4642625, 4999750, 6499675, 9285250, 12999350, 32498375, 64996750]

約数ペア:

[(1, 64996750), (2, 32498375), (5, 12999350), (7, 9285250), (10, 6499675), (13, 4999750), (14, 4642625), (25, 2599870), (26, 2499875), (35, 1857050), (50, 1299935), (65, 999950), (70, 928525), (91, 714250), (125, 519974), (130, 499975), (175, 371410), (182, 357125), (250, 259987), (325, 199990), (350, 185705), (455, 142850), (650, 99995), (875, 74282), (910, 71425), (1625, 39998), (1750, 37141), (2275, 28570), (2857, 22750), (3250, 19999), (4550, 14285), (5714, 11375)]