1398320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 4071168

約数和(自身を除く): 2672848

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 227, 280, 308, 385, 440, 454, 560, 616, 770, 880, 908, 1135, 1232, 1540, 1589, 1816, 2270, 2497, 3080, 3178, 3632, 4540, 4994, 6160, 6356, 7945, 9080, 9988, 12485, 12712, 15890, 17479, 18160, 19976, 24970, 25424, 31780, 34958, 39952, 49940, 63560, 69916, 87395, 99880, 127120, 139832, 174790, 199760, 279664, 349580, 699160, 1398320]

約数ペア:

[(1, 1398320), (2, 699160), (4, 349580), (5, 279664), (7, 199760), (8, 174790), (10, 139832), (11, 127120), (14, 99880), (16, 87395), (20, 69916), (22, 63560), (28, 49940), (35, 39952), (40, 34958), (44, 31780), (55, 25424), (56, 24970), (70, 19976), (77, 18160), (80, 17479), (88, 15890), (110, 12712), (112, 12485), (140, 9988), (154, 9080), (176, 7945), (220, 6356), (227, 6160), (280, 4994), (308, 4540), (385, 3632), (440, 3178), (454, 3080), (560, 2497), (616, 2270), (770, 1816), (880, 1589), (908, 1540), (1135, 1232)]