199368156940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{478813}}^1$

素因数の和:479122

約数の個数: 48

約数和(自身を含む): 424727170560

約数和(自身を除く): 225359013620

約数列:

[1, 2, 4, 5, 10, 20, 109, 191, 218, 382, 436, 545, 764, 955, 1090, 1910, 2180, 3820, 20819, 41638, 83276, 104095, 208190, 416380, 478813, 957626, 1915252, 2394065, 4788130, 9576260, 52190617, 91453283, 104381234, 182906566, 208762468, 260953085, 365813132, 457266415, 521906170, 914532830, 1043812340, 1829065660, 9968407847, 19936815694, 39873631388, 49842039235, 99684078470, 199368156940]

約数ペア:

[(1, 199368156940), (2, 99684078470), (4, 49842039235), (5, 39873631388), (10, 19936815694), (20, 9968407847), (109, 1829065660), (191, 1043812340), (218, 914532830), (382, 521906170), (436, 457266415), (545, 365813132), (764, 260953085), (955, 208762468), (1090, 182906566), (1910, 104381234), (2180, 91453283), (3820, 52190617), (20819, 9576260), (41638, 4788130), (83276, 2394065), (104095, 1915252), (208190, 957626), (416380, 478813)]