129247780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{222841}}^1$

素因数の和:222879

約数の個数: 24

約数和(自身を含む): 280780920

約数和(自身を除く): 151533140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 222841, 445682, 891364, 1114205, 2228410, 4456820, 6462389, 12924778, 25849556, 32311945, 64623890, 129247780]

約数ペア:

[(1, 129247780), (2, 64623890), (4, 32311945), (5, 25849556), (10, 12924778), (20, 6462389), (29, 4456820), (58, 2228410), (116, 1114205), (145, 891364), (290, 445682), (580, 222841)]