90037780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37831}}^1$

素因数の和:37864

約数の個数: 48

約数和(自身を含む): 228807936

約数和(自身を除く): 138770156

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 37831, 75662, 151324, 189155, 264817, 378310, 529634, 643127, 756620, 1059268, 1286254, 1324085, 2572508, 2648170, 3215635, 4501889, 5296340, 6431270, 9003778, 12862540, 18007556, 22509445, 45018890, 90037780]

約数ペア:

[(1, 90037780), (2, 45018890), (4, 22509445), (5, 18007556), (7, 12862540), (10, 9003778), (14, 6431270), (17, 5296340), (20, 4501889), (28, 3215635), (34, 2648170), (35, 2572508), (68, 1324085), (70, 1286254), (85, 1059268), (119, 756620), (140, 643127), (170, 529634), (238, 378310), (340, 264817), (476, 189155), (595, 151324), (1190, 75662), (2380, 37831)]