764443340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{19531}}^1$

素因数の和:19662

約数の個数: 48

約数和(自身を含む): 1706315520

約数和(自身を除く): 941872180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3914, 7828, 9785, 19531, 19570, 39062, 39140, 78124, 97655, 195310, 371089, 390620, 742178, 1484356, 1855445, 2011693, 3710890, 4023386, 7421780, 8046772, 10058465, 20116930, 38222167, 40233860, 76444334, 152888668, 191110835, 382221670, 764443340]

約数ペア:

[(1, 764443340), (2, 382221670), (4, 191110835), (5, 152888668), (10, 76444334), (19, 40233860), (20, 38222167), (38, 20116930), (76, 10058465), (95, 8046772), (103, 7421780), (190, 4023386), (206, 3710890), (380, 2011693), (412, 1855445), (515, 1484356), (1030, 742178), (1957, 390620), (2060, 371089), (3914, 195310), (7828, 97655), (9785, 78124), (19531, 39140), (19570, 39062)]