21708049000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1289}}^1\times {\mathrm{1531}}^1$

素因数の和:2852

約数の個数: 128

約数和(自身を含む): 55493942400

約数和(自身を除く): 33785893400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1289, 1375, 1531, 2200, 2578, 2750, 3062, 5156, 5500, 6124, 6445, 7655, 10312, 11000, 12248, 12890, 14179, 15310, 16841, 25780, 28358, 30620, 32225, 33682, 38275, 51560, 56716, 61240, 64450, 67364, 70895, 76550, 84205, 113432, 128900, 134728, 141790, 153100, 161125, 168410, 191375, 257800, 283580, 306200, 322250, 336820, 354475, 382750, 421025, 567160, 644500, 673640, 708950, 765500, 842050, 1289000, 1417900, 1531000, 1684100, 1772375, 1973459, 2105125, 2835800, 3368200, 3544750, 3946918, 4210250, 7089500, 7893836, 8420500, 9867295, 14179000, 15787672, 16841000, 19734590, 21708049, 39469180, 43416098, 49336475, 78938360, 86832196, 98672950, 108540245, 173664392, 197345900, 217080490, 246682375, 394691800, 434160980, 493364750, 542701225, 868321960, 986729500, 1085402450, 1973459000, 2170804900, 2713506125, 4341609800, 5427012250, 10854024500, 21708049000]

約数ペア:

[(1, 21708049000), (2, 10854024500), (4, 5427012250), (5, 4341609800), (8, 2713506125), (10, 2170804900), (11, 1973459000), (20, 1085402450), (22, 986729500), (25, 868321960), (40, 542701225), (44, 493364750), (50, 434160980), (55, 394691800), (88, 246682375), (100, 217080490), (110, 197345900), (125, 173664392), (200, 108540245), (220, 98672950), (250, 86832196), (275, 78938360), (440, 49336475), (500, 43416098), (550, 39469180), (1000, 21708049), (1100, 19734590), (1289, 16841000), (1375, 15787672), (1531, 14179000), (2200, 9867295), (2578, 8420500), (2750, 7893836), (3062, 7089500), (5156, 4210250), (5500, 3946918), (6124, 3544750), (6445, 3368200), (7655, 2835800), (10312, 2105125), (11000, 1973459), (12248, 1772375), (12890, 1684100), (14179, 1531000), (15310, 1417900), (16841, 1289000), (25780, 842050), (28358, 765500), (30620, 708950), (32225, 673640), (33682, 644500), (38275, 567160), (51560, 421025), (56716, 382750), (61240, 354475), (64450, 336820), (67364, 322250), (70895, 306200), (76550, 283580), (84205, 257800), (113432, 191375), (128900, 168410), (134728, 161125), (141790, 153100)]