849207920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2239}}^1$

素因数の和:2694

約数の個数: 80

約数和(自身を含む): 2159861760

約数和(自身を除く): 1310653840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 431, 440, 862, 880, 1724, 2155, 2239, 3448, 4310, 4478, 4741, 6896, 8620, 8956, 9482, 11195, 17240, 17912, 18964, 22390, 23705, 24629, 34480, 35824, 37928, 44780, 47410, 49258, 75856, 89560, 94820, 98516, 123145, 179120, 189640, 197032, 246290, 379280, 394064, 492580, 965009, 985160, 1930018, 1970320, 3860036, 4825045, 7720072, 9650090, 10615099, 15440144, 19300180, 21230198, 38600360, 42460396, 53075495, 77200720, 84920792, 106150990, 169841584, 212301980, 424603960, 849207920]

約数ペア:

[(1, 849207920), (2, 424603960), (4, 212301980), (5, 169841584), (8, 106150990), (10, 84920792), (11, 77200720), (16, 53075495), (20, 42460396), (22, 38600360), (40, 21230198), (44, 19300180), (55, 15440144), (80, 10615099), (88, 9650090), (110, 7720072), (176, 4825045), (220, 3860036), (431, 1970320), (440, 1930018), (862, 985160), (880, 965009), (1724, 492580), (2155, 394064), (2239, 379280), (3448, 246290), (4310, 197032), (4478, 189640), (4741, 179120), (6896, 123145), (8620, 98516), (8956, 94820), (9482, 89560), (11195, 75856), (17240, 49258), (17912, 47410), (18964, 44780), (22390, 37928), (23705, 35824), (24629, 34480)]