2880495820840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{21050101}}^1$

素因数の和:21050434

約数の個数: 64

約数和(自身を含む): 7093042369920

約数和(自身を除く): 4212546549080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 311, 440, 622, 1244, 1555, 2488, 3110, 3421, 6220, 6842, 12440, 13684, 17105, 27368, 34210, 68420, 136840, 21050101, 42100202, 84200404, 105250505, 168400808, 210501010, 231551111, 421002020, 463102222, 842004040, 926204444, 1157755555, 1852408888, 2315511110, 4631022220, 6546581411, 9262044440, 13093162822, 26186325644, 32732907055, 52372651288, 65465814110, 72012395521, 130931628220, 144024791042, 261863256440, 288049582084, 360061977605, 576099164168, 720123955210, 1440247910420, 2880495820840]

約数ペア:

[(1, 2880495820840), (2, 1440247910420), (4, 720123955210), (5, 576099164168), (8, 360061977605), (10, 288049582084), (11, 261863256440), (20, 144024791042), (22, 130931628220), (40, 72012395521), (44, 65465814110), (55, 52372651288), (88, 32732907055), (110, 26186325644), (220, 13093162822), (311, 9262044440), (440, 6546581411), (622, 4631022220), (1244, 2315511110), (1555, 1852408888), (2488, 1157755555), (3110, 926204444), (3421, 842004040), (6220, 463102222), (6842, 421002020), (12440, 231551111), (13684, 210501010), (17105, 168400808), (27368, 105250505), (34210, 84200404), (68420, 42100202), (136840, 21050101)]