2840565420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{204947}}^1$

素因数の和:204980

約数の個数: 144

約数和(自身を含む): 10742554368

約数和(自身を除く): 7901988948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 204947, 409894, 614841, 819788, 1024735, 1229682, 1434629, 1844523, 2049470, 2254417, 2459364, 2869258, 3074205, 3689046, 4098940, 4303887, 4508834, 5738516, 6148410, 6763251, 7173145, 7378092, 8607774, 9017668, 9222615, 11272085, 12296820, 12911661, 13526502, 14346290, 15780919, 17215548, 18445230, 20289753, 21519435, 22544170, 25823322, 27053004, 28692580, 31561838, 33816255, 36890460, 40579506, 43038870, 45088340, 47342757, 51646644, 63123676, 64558305, 67632510, 78904595, 81159012, 86077740, 94685514, 101448765, 129116610, 135265020, 142028271, 157809190, 189371028, 202897530, 236713785, 258233220, 284056542, 315618380, 405795060, 473427570, 568113084, 710141355, 946855140, 1420282710, 2840565420]

約数ペア:

[(1, 2840565420), (2, 1420282710), (3, 946855140), (4, 710141355), (5, 568113084), (6, 473427570), (7, 405795060), (9, 315618380), (10, 284056542), (11, 258233220), (12, 236713785), (14, 202897530), (15, 189371028), (18, 157809190), (20, 142028271), (21, 135265020), (22, 129116610), (28, 101448765), (30, 94685514), (33, 86077740), (35, 81159012), (36, 78904595), (42, 67632510), (44, 64558305), (45, 63123676), (55, 51646644), (60, 47342757), (63, 45088340), (66, 43038870), (70, 40579506), (77, 36890460), (84, 33816255), (90, 31561838), (99, 28692580), (105, 27053004), (110, 25823322), (126, 22544170), (132, 21519435), (140, 20289753), (154, 18445230), (165, 17215548), (180, 15780919), (198, 14346290), (210, 13526502), (220, 12911661), (231, 12296820), (252, 11272085), (308, 9222615), (315, 9017668), (330, 8607774), (385, 7378092), (396, 7173145), (420, 6763251), (462, 6148410), (495, 5738516), (630, 4508834), (660, 4303887), (693, 4098940), (770, 3689046), (924, 3074205), (990, 2869258), (1155, 2459364), (1260, 2254417), (1386, 2049470), (1540, 1844523), (1980, 1434629), (2310, 1229682), (2772, 1024735), (3465, 819788), (4620, 614841), (6930, 409894), (13860, 204947)]