2783247280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{77141}}^1$

素因数の和:77206

約数の個数: 80

約数和(自身を含む): 7231599648

約数和(自身を除く): 4448352368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3608, 4510, 7216, 9020, 18040, 36080, 77141, 154282, 308564, 385705, 617128, 771410, 848551, 1234256, 1542820, 1697102, 3085640, 3162781, 3394204, 4242755, 6171280, 6325562, 6788408, 8485510, 12651124, 13576816, 15813905, 16971020, 25302248, 31627810, 33942040, 34790591, 50604496, 63255620, 67884080, 69581182, 126511240, 139162364, 173952955, 253022480, 278324728, 347905910, 556649456, 695811820, 1391623640, 2783247280]

約数ペア:

[(1, 2783247280), (2, 1391623640), (4, 695811820), (5, 556649456), (8, 347905910), (10, 278324728), (11, 253022480), (16, 173952955), (20, 139162364), (22, 126511240), (40, 69581182), (41, 67884080), (44, 63255620), (55, 50604496), (80, 34790591), (82, 33942040), (88, 31627810), (110, 25302248), (164, 16971020), (176, 15813905), (205, 13576816), (220, 12651124), (328, 8485510), (410, 6788408), (440, 6325562), (451, 6171280), (656, 4242755), (820, 3394204), (880, 3162781), (902, 3085640), (1640, 1697102), (1804, 1542820), (2255, 1234256), (3280, 848551), (3608, 771410), (4510, 617128), (7216, 385705), (9020, 308564), (18040, 154282), (36080, 77141)]