289703030

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{474923}}^1$

素因数の和:474991

約数の個数: 16

約数和(自身を含む): 530015184

約数和(自身を除く): 240312154

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 474923, 949846, 2374615, 4749230, 28970303, 57940606, 144851515, 289703030]

約数ペア:

[(1, 289703030), (2, 144851515), (5, 57940606), (10, 28970303), (61, 4749230), (122, 2374615), (305, 949846), (610, 474923)]