261925860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{623633}}^1$

素因数の和:623652

約数の個数: 48

約数和(自身を含む): 838164096

約数和(自身を除く): 576238236

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, 623633, 1247266, 1870899, 2494532, 3118165, 3741798, 4365431, 6236330, 7483596, 8730862, 9354495, 12472660, 13096293, 17461724, 18708990, 21827155, 26192586, 37417980, 43654310, 52385172, 65481465, 87308620, 130962930, 261925860]

約数ペア:

[(1, 261925860), (2, 130962930), (3, 87308620), (4, 65481465), (5, 52385172), (6, 43654310), (7, 37417980), (10, 26192586), (12, 21827155), (14, 18708990), (15, 17461724), (20, 13096293), (21, 12472660), (28, 9354495), (30, 8730862), (35, 7483596), (42, 6236330), (60, 4365431), (70, 3741798), (84, 3118165), (105, 2494532), (140, 1870899), (210, 1247266), (420, 623633)]