196940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 425040

約数和(自身を除く): 228100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 229, 430, 458, 860, 916, 1145, 2290, 4580, 9847, 19694, 39388, 49235, 98470, 196940]

約数ペア:

[(1, 196940), (2, 98470), (4, 49235), (5, 39388), (10, 19694), (20, 9847), (43, 4580), (86, 2290), (172, 1145), (215, 916), (229, 860), (430, 458)]