208098440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4339}}^1$

素因数の和:4470

約数の個数: 64

約数和(自身を含む): 515592000

約数和(自身を除く): 307493560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 4339, 4360, 4796, 5995, 8678, 9592, 11990, 17356, 21695, 23980, 34712, 43390, 47729, 47960, 86780, 95458, 173560, 190916, 238645, 381832, 472951, 477290, 945902, 954580, 1891804, 1909160, 2364755, 3783608, 4729510, 5202461, 9459020, 10404922, 18918040, 20809844, 26012305, 41619688, 52024610, 104049220, 208098440]

約数ペア:

[(1, 208098440), (2, 104049220), (4, 52024610), (5, 41619688), (8, 26012305), (10, 20809844), (11, 18918040), (20, 10404922), (22, 9459020), (40, 5202461), (44, 4729510), (55, 3783608), (88, 2364755), (109, 1909160), (110, 1891804), (218, 954580), (220, 945902), (436, 477290), (440, 472951), (545, 381832), (872, 238645), (1090, 190916), (1199, 173560), (2180, 95458), (2398, 86780), (4339, 47960), (4360, 47729), (4796, 43390), (5995, 34712), (8678, 23980), (9592, 21695), (11990, 17356)]