28992040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9413}}^1$

素因数の和:9442

約数の個数: 64

約数和(自身を含む): 81336960

約数和(自身を除く): 52344920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9413, 18826, 37652, 47065, 65891, 75304, 94130, 103543, 131782, 188260, 207086, 263564, 329455, 376520, 414172, 517715, 527128, 658910, 724801, 828344, 1035430, 1317820, 1449602, 2070860, 2635640, 2899204, 3624005, 4141720, 5798408, 7248010, 14496020, 28992040]

約数ペア:

[(1, 28992040), (2, 14496020), (4, 7248010), (5, 5798408), (7, 4141720), (8, 3624005), (10, 2899204), (11, 2635640), (14, 2070860), (20, 1449602), (22, 1317820), (28, 1035430), (35, 828344), (40, 724801), (44, 658910), (55, 527128), (56, 517715), (70, 414172), (77, 376520), (88, 329455), (110, 263564), (140, 207086), (154, 188260), (220, 131782), (280, 103543), (308, 94130), (385, 75304), (440, 65891), (616, 47065), (770, 37652), (1540, 18826), (3080, 9413)]