306304840

素因数分解:

$2^3\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{3929}}^1$

素因数の和:5889

約数の個数: 32

約数和(自身を含む): 689715000

約数和(自身を除く): 383410160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1949, 3898, 3929, 7796, 7858, 9745, 15592, 15716, 19490, 19645, 31432, 38980, 39290, 77960, 78580, 157160, 7657621, 15315242, 30630484, 38288105, 61260968, 76576210, 153152420, 306304840]

約数ペア:

[(1, 306304840), (2, 153152420), (4, 76576210), (5, 61260968), (8, 38288105), (10, 30630484), (20, 15315242), (40, 7657621), (1949, 157160), (3898, 78580), (3929, 77960), (7796, 39290), (7858, 38980), (9745, 31432), (15592, 19645), (15716, 19490)]