8889617140

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1\times {\mathrm{4513}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 18826088400

約数和(自身を除く): 9936471260

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 661, 745, 1322, 1490, 2644, 2980, 3305, 4513, 6610, 9026, 13220, 18052, 22565, 45130, 90260, 98489, 196978, 393956, 492445, 672437, 984890, 1344874, 1969780, 2689748, 2983093, 3362185, 5966186, 6724370, 11932372, 13448740, 14915465, 29830930, 59661860, 444480857, 888961714, 1777923428, 2222404285, 4444808570, 8889617140]

約数ペア:

[(1, 8889617140), (2, 4444808570), (4, 2222404285), (5, 1777923428), (10, 888961714), (20, 444480857), (149, 59661860), (298, 29830930), (596, 14915465), (661, 13448740), (745, 11932372), (1322, 6724370), (1490, 5966186), (2644, 3362185), (2980, 2983093), (3305, 2689748), (4513, 1969780), (6610, 1344874), (9026, 984890), (13220, 672437), (18052, 492445), (22565, 393956), (45130, 196978), (90260, 98489)]