163900520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13613}}^1$

素因数の和:13674

約数の個数: 64

約数和(自身を含む): 431291520

約数和(自身を除く): 267391000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 13613, 27226, 54452, 68065, 95291, 108904, 136130, 190582, 272260, 381164, 476455, 544520, 585359, 762328, 952910, 1170718, 1905820, 2341436, 2926795, 3811640, 4097513, 4682872, 5853590, 8195026, 11707180, 16390052, 20487565, 23414360, 32780104, 40975130, 81950260, 163900520]

約数ペア:

[(1, 163900520), (2, 81950260), (4, 40975130), (5, 32780104), (7, 23414360), (8, 20487565), (10, 16390052), (14, 11707180), (20, 8195026), (28, 5853590), (35, 4682872), (40, 4097513), (43, 3811640), (56, 2926795), (70, 2341436), (86, 1905820), (140, 1170718), (172, 952910), (215, 762328), (280, 585359), (301, 544520), (344, 476455), (430, 381164), (602, 272260), (860, 190582), (1204, 136130), (1505, 108904), (1720, 95291), (2408, 68065), (3010, 54452), (6020, 27226), (12040, 13613)]