208833560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:985

約数の個数: 128

約数和(自身を含む): 556416000

約数和(自身を除く): 347582440

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 230, 247, 260, 299, 380, 437, 460, 494, 520, 598, 760, 874, 919, 920, 988, 1196, 1235, 1495, 1748, 1838, 1976, 2185, 2392, 2470, 2990, 3496, 3676, 4370, 4595, 4940, 5681, 5980, 7352, 8740, 9190, 9880, 11362, 11947, 11960, 17461, 17480, 18380, 21137, 22724, 23894, 28405, 34922, 36760, 42274, 45448, 47788, 56810, 59735, 69844, 84548, 87305, 95576, 105685, 113620, 119470, 139688, 169096, 174610, 211370, 226993, 227240, 238940, 274781, 349220, 401603, 422740, 453986, 477880, 549562, 698440, 803206, 845480, 907972, 1099124, 1134965, 1373905, 1606412, 1815944, 2008015, 2198248, 2269930, 2747810, 3212824, 4016030, 4539860, 5220839, 5495620, 8032060, 9079720, 10441678, 10991240, 16064120, 20883356, 26104195, 41766712, 52208390, 104416780, 208833560]

約数ペア:

[(1, 208833560), (2, 104416780), (4, 52208390), (5, 41766712), (8, 26104195), (10, 20883356), (13, 16064120), (19, 10991240), (20, 10441678), (23, 9079720), (26, 8032060), (38, 5495620), (40, 5220839), (46, 4539860), (52, 4016030), (65, 3212824), (76, 2747810), (92, 2269930), (95, 2198248), (104, 2008015), (115, 1815944), (130, 1606412), (152, 1373905), (184, 1134965), (190, 1099124), (230, 907972), (247, 845480), (260, 803206), (299, 698440), (380, 549562), (437, 477880), (460, 453986), (494, 422740), (520, 401603), (598, 349220), (760, 274781), (874, 238940), (919, 227240), (920, 226993), (988, 211370), (1196, 174610), (1235, 169096), (1495, 139688), (1748, 119470), (1838, 113620), (1976, 105685), (2185, 95576), (2392, 87305), (2470, 84548), (2990, 69844), (3496, 59735), (3676, 56810), (4370, 47788), (4595, 45448), (4940, 42274), (5681, 36760), (5980, 34922), (7352, 28405), (8740, 23894), (9190, 22724), (9880, 21137), (11362, 18380), (11947, 17480), (11960, 17461)]