199857890

素因数分解:

$2^1\times 5^1\times {\mathrm{3079}}^1\times {\mathrm{6491}}^1$

素因数の和:9577

約数の個数: 16

約数和(自身を含む): 359916480

約数和(自身を除く): 160058590

約数列:

[1, 2, 5, 10, 3079, 6158, 6491, 12982, 15395, 30790, 32455, 64910, 19985789, 39971578, 99928945, 199857890]

約数ペア:

[(1, 199857890), (2, 99928945), (5, 39971578), (10, 19985789), (3079, 64910), (6158, 32455), (6491, 30790), (12982, 15395)]