319891480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2411}}^1$

素因数の和:2560

約数の個数: 64

約数和(自身を含む): 750228480

約数和(自身を除く): 430337000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 535, 620, 856, 1070, 1240, 2140, 2411, 3317, 4280, 4822, 6634, 9644, 12055, 13268, 16585, 19288, 24110, 26536, 33170, 48220, 66340, 74741, 96440, 132680, 149482, 257977, 298964, 373705, 515954, 597928, 747410, 1031908, 1289885, 1494820, 2063816, 2579770, 2989640, 5159540, 7997287, 10319080, 15994574, 31989148, 39986435, 63978296, 79972870, 159945740, 319891480]

約数ペア:

[(1, 319891480), (2, 159945740), (4, 79972870), (5, 63978296), (8, 39986435), (10, 31989148), (20, 15994574), (31, 10319080), (40, 7997287), (62, 5159540), (107, 2989640), (124, 2579770), (155, 2063816), (214, 1494820), (248, 1289885), (310, 1031908), (428, 747410), (535, 597928), (620, 515954), (856, 373705), (1070, 298964), (1240, 257977), (2140, 149482), (2411, 132680), (3317, 96440), (4280, 74741), (4822, 66340), (6634, 48220), (9644, 33170), (12055, 26536), (13268, 24110), (16585, 19288)]