198652020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1979}}^1$

素因数の和:2237

約数の個数: 96

約数和(自身を含む): 638668800

約数和(自身を除く): 440016780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 956, 1195, 1434, 1673, 1979, 2390, 2868, 3346, 3585, 3958, 4780, 5019, 5937, 6692, 7170, 7916, 8365, 9895, 10038, 11874, 13853, 14340, 16730, 19790, 20076, 23748, 25095, 27706, 29685, 33460, 39580, 41559, 50190, 55412, 59370, 69265, 83118, 100380, 118740, 138530, 166236, 207795, 277060, 415590, 472981, 831180, 945962, 1418943, 1891924, 2364905, 2837886, 3310867, 4729810, 5675772, 6621734, 7094715, 9459620, 9932601, 13243468, 14189430, 16554335, 19865202, 28378860, 33108670, 39730404, 49663005, 66217340, 99326010, 198652020]

約数ペア:

[(1, 198652020), (2, 99326010), (3, 66217340), (4, 49663005), (5, 39730404), (6, 33108670), (7, 28378860), (10, 19865202), (12, 16554335), (14, 14189430), (15, 13243468), (20, 9932601), (21, 9459620), (28, 7094715), (30, 6621734), (35, 5675772), (42, 4729810), (60, 3310867), (70, 2837886), (84, 2364905), (105, 1891924), (140, 1418943), (210, 945962), (239, 831180), (420, 472981), (478, 415590), (717, 277060), (956, 207795), (1195, 166236), (1434, 138530), (1673, 118740), (1979, 100380), (2390, 83118), (2868, 69265), (3346, 59370), (3585, 55412), (3958, 50190), (4780, 41559), (5019, 39580), (5937, 33460), (6692, 29685), (7170, 27706), (7916, 25095), (8365, 23748), (9895, 20076), (10038, 19790), (11874, 16730), (13853, 14340)]