248889160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11131}}^1$

素因数の和:11198

約数の個数: 64

約数和(自身を含む): 617158080

約数和(自身を除く): 368268920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11131, 11180, 22262, 22360, 44524, 55655, 89048, 111310, 144703, 222620, 289406, 445240, 478633, 578812, 723515, 957266, 1157624, 1447030, 1914532, 2393165, 2894060, 3829064, 4786330, 5788120, 6222229, 9572660, 12444458, 19145320, 24888916, 31111145, 49777832, 62222290, 124444580, 248889160]

約数ペア:

[(1, 248889160), (2, 124444580), (4, 62222290), (5, 49777832), (8, 31111145), (10, 24888916), (13, 19145320), (20, 12444458), (26, 9572660), (40, 6222229), (43, 5788120), (52, 4786330), (65, 3829064), (86, 2894060), (104, 2393165), (130, 1914532), (172, 1447030), (215, 1157624), (260, 957266), (344, 723515), (430, 578812), (520, 478633), (559, 445240), (860, 289406), (1118, 222620), (1720, 144703), (2236, 111310), (2795, 89048), (4472, 55655), (5590, 44524), (11131, 22360), (11180, 22262)]