108940020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{259381}}^1$

素因数の和:259400

約数の個数: 48

約数和(自身を含む): 348609408

約数和(自身を除く): 239669388

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, 259381, 518762, 778143, 1037524, 1296905, 1556286, 1815667, 2593810, 3112572, 3631334, 3890715, 5187620, 5447001, 7262668, 7781430, 9078335, 10894002, 15562860, 18156670, 21788004, 27235005, 36313340, 54470010, 108940020]

約数ペア:

[(1, 108940020), (2, 54470010), (3, 36313340), (4, 27235005), (5, 21788004), (6, 18156670), (7, 15562860), (10, 10894002), (12, 9078335), (14, 7781430), (15, 7262668), (20, 5447001), (21, 5187620), (28, 3890715), (30, 3631334), (35, 3112572), (42, 2593810), (60, 1815667), (70, 1556286), (84, 1296905), (105, 1037524), (140, 778143), (210, 518762), (420, 259381)]