280900730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{41863}}^1$

素因数の和:41942

約数の個数: 32

約数和(自身を含む): 560642688

約数和(自身を除く): 279741958

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 41863, 83726, 209315, 418630, 460493, 920986, 2302465, 2553643, 4604930, 5107286, 12768215, 25536430, 28090073, 56180146, 140450365, 280900730]

約数ペア:

[(1, 280900730), (2, 140450365), (5, 56180146), (10, 28090073), (11, 25536430), (22, 12768215), (55, 5107286), (61, 4604930), (110, 2553643), (122, 2302465), (305, 920986), (610, 460493), (671, 418630), (1342, 209315), (3355, 83726), (6710, 41863)]