221386370

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{1753}}^1$

素因数の和:2006

約数の個数: 32

約数和(自身を含む): 406521072

約数和(自身を除く): 185134702

約数列:

[1, 2, 5, 10, 73, 146, 173, 346, 365, 730, 865, 1730, 1753, 3506, 8765, 12629, 17530, 25258, 63145, 126290, 127969, 255938, 303269, 606538, 639845, 1279690, 1516345, 3032690, 22138637, 44277274, 110693185, 221386370]

約数ペア:

[(1, 221386370), (2, 110693185), (5, 44277274), (10, 22138637), (73, 3032690), (146, 1516345), (173, 1279690), (346, 639845), (365, 606538), (730, 303269), (865, 255938), (1730, 127969), (1753, 126290), (3506, 63145), (8765, 25258), (12629, 17530)]