20090119300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{556513}}^1$

素因数の和:556565

約数の個数: 54

約数和(自身を含む): 46010907978

約数和(自身を除く): 25920788678

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1805, 1900, 3610, 7220, 9025, 18050, 36100, 556513, 1113026, 2226052, 2782565, 5565130, 10573747, 11130260, 13912825, 21147494, 27825650, 42294988, 52868735, 55651300, 105737470, 200901193, 211474940, 264343675, 401802386, 528687350, 803604772, 1004505965, 1057374700, 2009011930, 4018023860, 5022529825, 10045059650, 20090119300]

約数ペア:

[(1, 20090119300), (2, 10045059650), (4, 5022529825), (5, 4018023860), (10, 2009011930), (19, 1057374700), (20, 1004505965), (25, 803604772), (38, 528687350), (50, 401802386), (76, 264343675), (95, 211474940), (100, 200901193), (190, 105737470), (361, 55651300), (380, 52868735), (475, 42294988), (722, 27825650), (950, 21147494), (1444, 13912825), (1805, 11130260), (1900, 10573747), (3610, 5565130), (7220, 2782565), (9025, 2226052), (18050, 1113026), (36100, 556513)]