207929173880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{497867}}^1$

素因数の和:498128

約数の個数: 64

約数和(自身を含む): 479088419040

約数和(自身を除く): 271159245160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 197, 212, 265, 394, 424, 530, 788, 985, 1060, 1576, 1970, 2120, 3940, 7880, 10441, 20882, 41764, 52205, 83528, 104410, 208820, 417640, 497867, 995734, 1991468, 2489335, 3982936, 4978670, 9957340, 19914680, 26386951, 52773902, 98079799, 105547804, 131934755, 196159598, 211095608, 263869510, 392319196, 490398995, 527739020, 784638392, 980797990, 1055478040, 1961595980, 3923191960, 5198229347, 10396458694, 20792917388, 25991146735, 41585834776, 51982293470, 103964586940, 207929173880]

約数ペア:

[(1, 207929173880), (2, 103964586940), (4, 51982293470), (5, 41585834776), (8, 25991146735), (10, 20792917388), (20, 10396458694), (40, 5198229347), (53, 3923191960), (106, 1961595980), (197, 1055478040), (212, 980797990), (265, 784638392), (394, 527739020), (424, 490398995), (530, 392319196), (788, 263869510), (985, 211095608), (1060, 196159598), (1576, 131934755), (1970, 105547804), (2120, 98079799), (3940, 52773902), (7880, 26386951), (10441, 19914680), (20882, 9957340), (41764, 4978670), (52205, 3982936), (83528, 2489335), (104410, 1991468), (208820, 995734), (417640, 497867)]