2022387940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1\times {\mathrm{1493}}^1$

素因数の和:2352

約数の個数: 48

約数和(自身を含む): 4303257840

約数和(自身を除く): 2280869900

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 761, 890, 1493, 1522, 1780, 2986, 3044, 3805, 5972, 7465, 7610, 14930, 15220, 29860, 67729, 132877, 135458, 265754, 270916, 338645, 531508, 664385, 677290, 1136173, 1328770, 1354580, 2272346, 2657540, 4544692, 5680865, 11361730, 22723460, 101119397, 202238794, 404477588, 505596985, 1011193970, 2022387940]

約数ペア:

[(1, 2022387940), (2, 1011193970), (4, 505596985), (5, 404477588), (10, 202238794), (20, 101119397), (89, 22723460), (178, 11361730), (356, 5680865), (445, 4544692), (761, 2657540), (890, 2272346), (1493, 1354580), (1522, 1328770), (1780, 1136173), (2986, 677290), (3044, 664385), (3805, 531508), (5972, 338645), (7465, 270916), (7610, 265754), (14930, 135458), (15220, 132877), (29860, 67729)]