139810020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{332881}}^1$

素因数の和:332900

約数の個数: 48

約数和(自身を含む): 447393408

約数和(自身を除く): 307583388

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, 420, 332881, 665762, 998643, 1331524, 1664405, 1997286, 2330167, 3328810, 3994572, 4660334, 4993215, 6657620, 6990501, 9320668, 9986430, 11650835, 13981002, 19972860, 23301670, 27962004, 34952505, 46603340, 69905010, 139810020]

約数ペア:

[(1, 139810020), (2, 69905010), (3, 46603340), (4, 34952505), (5, 27962004), (6, 23301670), (7, 19972860), (10, 13981002), (12, 11650835), (14, 9986430), (15, 9320668), (20, 6990501), (21, 6657620), (28, 4993215), (30, 4660334), (35, 3994572), (42, 3328810), (60, 2330167), (70, 1997286), (84, 1664405), (105, 1331524), (140, 998643), (210, 665762), (420, 332881)]