17907727820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1721}}^1\times {\mathrm{7127}}^1$

素因数の和:8930

約数の個数: 48

約数和(自身を含む): 38148884928

約数和(自身を除く): 20241157108

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1721, 3442, 6884, 7127, 8605, 14254, 17210, 28508, 34420, 35635, 71270, 125633, 142540, 251266, 502532, 520271, 628165, 1040542, 1256330, 2081084, 2512660, 2601355, 5202710, 10405420, 12265567, 24531134, 49062268, 61327835, 122655670, 245311340, 895386391, 1790772782, 3581545564, 4476931955, 8953863910, 17907727820]

約数ペア:

[(1, 17907727820), (2, 8953863910), (4, 4476931955), (5, 3581545564), (10, 1790772782), (20, 895386391), (73, 245311340), (146, 122655670), (292, 61327835), (365, 49062268), (730, 24531134), (1460, 12265567), (1721, 10405420), (3442, 5202710), (6884, 2601355), (7127, 2512660), (8605, 2081084), (14254, 1256330), (17210, 1040542), (28508, 628165), (34420, 520271), (35635, 502532), (71270, 251266), (125633, 142540)]