205276120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2609}}^1$

素因数の和:2908

約数の個数: 64

約数和(自身を含む): 529934400

約数和(自身を除く): 324658280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1124, 1405, 1967, 2248, 2609, 2810, 3934, 5218, 5620, 7868, 9835, 10436, 11240, 13045, 15736, 18263, 19670, 20872, 26090, 36526, 39340, 52180, 73052, 78680, 91315, 104360, 146104, 182630, 365260, 730520, 733129, 1466258, 2932516, 3665645, 5131903, 5865032, 7331290, 10263806, 14662580, 20527612, 25659515, 29325160, 41055224, 51319030, 102638060, 205276120]

約数ペア:

[(1, 205276120), (2, 102638060), (4, 51319030), (5, 41055224), (7, 29325160), (8, 25659515), (10, 20527612), (14, 14662580), (20, 10263806), (28, 7331290), (35, 5865032), (40, 5131903), (56, 3665645), (70, 2932516), (140, 1466258), (280, 733129), (281, 730520), (562, 365260), (1124, 182630), (1405, 146104), (1967, 104360), (2248, 91315), (2609, 78680), (2810, 73052), (3934, 52180), (5218, 39340), (5620, 36526), (7868, 26090), (9835, 20872), (10436, 19670), (11240, 18263), (13045, 15736)]