1868020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 4894848

約数和(自身を除く): 3026828

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, 1213, 1540, 2426, 4852, 6065, 8491, 12130, 13343, 16982, 24260, 26686, 33964, 42455, 53372, 66715, 84910, 93401, 133430, 169820, 186802, 266860, 373604, 467005, 934010, 1868020]

約数ペア:

[(1, 1868020), (2, 934010), (4, 467005), (5, 373604), (7, 266860), (10, 186802), (11, 169820), (14, 133430), (20, 93401), (22, 84910), (28, 66715), (35, 53372), (44, 42455), (55, 33964), (70, 26686), (77, 24260), (110, 16982), (140, 13343), (154, 12130), (220, 8491), (308, 6065), (385, 4852), (770, 2426), (1213, 1540)]