109108020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{259781}}^1$

素因数の和:259800

約数の個数: 48

約数和(自身を含む): 349147008

約数和(自身を除く): 240038988

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, 259781, 519562, 779343, 1039124, 1298905, 1558686, 1818467, 2597810, 3117372, 3636934, 3896715, 5195620, 5455401, 7273868, 7793430, 9092335, 10910802, 15586860, 18184670, 21821604, 27277005, 36369340, 54554010, 109108020]

約数ペア:

[(1, 109108020), (2, 54554010), (3, 36369340), (4, 27277005), (5, 21821604), (6, 18184670), (7, 15586860), (10, 10910802), (12, 9092335), (14, 7793430), (15, 7273868), (20, 5455401), (21, 5195620), (28, 3896715), (30, 3636934), (35, 3117372), (42, 2597810), (60, 1818467), (70, 1558686), (84, 1298905), (105, 1039124), (140, 779343), (210, 519562), (420, 259781)]