4378220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2843}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 11467008

約数和(自身を除く): 7088788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2843, 5686, 11372, 14215, 19901, 28430, 31273, 39802, 56860, 62546, 79604, 99505, 125092, 156365, 199010, 218911, 312730, 398020, 437822, 625460, 875644, 1094555, 2189110, 4378220]

約数ペア:

[(1, 4378220), (2, 2189110), (4, 1094555), (5, 875644), (7, 625460), (10, 437822), (11, 398020), (14, 312730), (20, 218911), (22, 199010), (28, 156365), (35, 125092), (44, 99505), (55, 79604), (70, 62546), (77, 56860), (110, 39802), (140, 31273), (154, 28430), (220, 19901), (308, 14215), (385, 11372), (770, 5686), (1540, 2843)]