145813420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{428863}}^1$

素因数の和:428889

約数の個数: 24

約数和(自身を含む): 324221184

約数和(自身を除く): 178407764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 428863, 857726, 1715452, 2144315, 4288630, 7290671, 8577260, 14581342, 29162684, 36453355, 72906710, 145813420]

約数ペア:

[(1, 145813420), (2, 72906710), (4, 36453355), (5, 29162684), (10, 14581342), (17, 8577260), (20, 7290671), (34, 4288630), (68, 2144315), (85, 1715452), (170, 857726), (340, 428863)]