253886270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 512056512

約数和(自身を除く): 258170242

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 157, 241, 305, 314, 482, 610, 671, 785, 1205, 1342, 1570, 1727, 2410, 2651, 3355, 3454, 5302, 6710, 8635, 9577, 13255, 14701, 17270, 19154, 26510, 29402, 37837, 47885, 73505, 75674, 95770, 105347, 147010, 161711, 189185, 210694, 323422, 378370, 416207, 526735, 808555, 832414, 1053470, 1617110, 2081035, 2308057, 4162070, 4616114, 11540285, 23080570, 25388627, 50777254, 126943135, 253886270]

約数ペア:

[(1, 253886270), (2, 126943135), (5, 50777254), (10, 25388627), (11, 23080570), (22, 11540285), (55, 4616114), (61, 4162070), (110, 2308057), (122, 2081035), (157, 1617110), (241, 1053470), (305, 832414), (314, 808555), (482, 526735), (610, 416207), (671, 378370), (785, 323422), (1205, 210694), (1342, 189185), (1570, 161711), (1727, 147010), (2410, 105347), (2651, 95770), (3355, 75674), (3454, 73505), (5302, 47885), (6710, 37837), (8635, 29402), (9577, 26510), (13255, 19154), (14701, 17270)]