128438230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1721}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 245488320

約数和(自身を除く): 117050090

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 439, 878, 1721, 2195, 3442, 4390, 7463, 8605, 14926, 17210, 29257, 37315, 58514, 74630, 146285, 292570, 755519, 1511038, 3777595, 7555190, 12843823, 25687646, 64219115, 128438230]

約数ペア:

[(1, 128438230), (2, 64219115), (5, 25687646), (10, 12843823), (17, 7555190), (34, 3777595), (85, 1511038), (170, 755519), (439, 292570), (878, 146285), (1721, 74630), (2195, 58514), (3442, 37315), (4390, 29257), (7463, 17210), (8605, 14926)]