201281780450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{138815021}}^1$

素因数の和:138815062

約数の個数: 24

約数和(自身を含む): 387293911380

約数和(自身を除く): 186012130930

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 138815021, 277630042, 694075105, 1388150210, 3470375525, 4025635609, 6940751050, 8051271218, 20128178045, 40256356090, 100640890225, 201281780450]

約数ペア:

[(1, 201281780450), (2, 100640890225), (5, 40256356090), (10, 20128178045), (25, 8051271218), (29, 6940751050), (50, 4025635609), (58, 3470375525), (145, 1388150210), (290, 694075105), (725, 277630042), (1450, 138815021)]