201577640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4723}}^1$

素因数の和:4842

約数の個数: 64

約数和(自身を含む): 499988160

約数和(自身を除く): 298410520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1940, 2134, 3880, 4268, 4723, 5335, 8536, 9446, 10670, 18892, 21340, 23615, 37784, 42680, 47230, 51953, 94460, 103906, 188920, 207812, 259765, 415624, 458131, 519530, 916262, 1039060, 1832524, 2078120, 2290655, 3665048, 4581310, 5039441, 9162620, 10078882, 18325240, 20157764, 25197205, 40315528, 50394410, 100788820, 201577640]

約数ペア:

[(1, 201577640), (2, 100788820), (4, 50394410), (5, 40315528), (8, 25197205), (10, 20157764), (11, 18325240), (20, 10078882), (22, 9162620), (40, 5039441), (44, 4581310), (55, 3665048), (88, 2290655), (97, 2078120), (110, 1832524), (194, 1039060), (220, 916262), (388, 519530), (440, 458131), (485, 415624), (776, 259765), (970, 207812), (1067, 188920), (1940, 103906), (2134, 94460), (3880, 51953), (4268, 47230), (4723, 42680), (5335, 37784), (8536, 23615), (9446, 21340), (10670, 18892)]