28183540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18301}}^1$

素因数の和:18328

約数の個数: 48

約数和(自身を含む): 73793664

約数和(自身を除く): 45610124

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, 18301, 36602, 73204, 91505, 128107, 183010, 201311, 256214, 366020, 402622, 512428, 640535, 805244, 1006555, 1281070, 1409177, 2013110, 2562140, 2818354, 4026220, 5636708, 7045885, 14091770, 28183540]

約数ペア:

[(1, 28183540), (2, 14091770), (4, 7045885), (5, 5636708), (7, 4026220), (10, 2818354), (11, 2562140), (14, 2013110), (20, 1409177), (22, 1281070), (28, 1006555), (35, 805244), (44, 640535), (55, 512428), (70, 402622), (77, 366020), (110, 256214), (140, 201311), (154, 183010), (220, 128107), (308, 91505), (385, 73204), (770, 36602), (1540, 18301)]