289968100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{99989}}^1$

素因数の和:100032

約数の個数: 36

約数和(自身を含む): 650934900

約数和(自身を除く): 360966800

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 99989, 199978, 399956, 499945, 999890, 1999780, 2499725, 2899681, 4999450, 5799362, 9998900, 11598724, 14498405, 28996810, 57993620, 72492025, 144984050, 289968100]

約数ペア:

[(1, 289968100), (2, 144984050), (4, 72492025), (5, 57993620), (10, 28996810), (20, 14498405), (25, 11598724), (29, 9998900), (50, 5799362), (58, 4999450), (100, 2899681), (116, 2499725), (145, 1999780), (290, 999890), (580, 499945), (725, 399956), (1450, 199978), (2900, 99989)]