28292900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{14891}}^1$

素因数の和:14924

約数の個数: 36

約数和(自身を含む): 64631280

約数和(自身を除く): 36338380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 14891, 29782, 59564, 74455, 148910, 282929, 297820, 372275, 565858, 744550, 1131716, 1414645, 1489100, 2829290, 5658580, 7073225, 14146450, 28292900]

約数ペア:

[(1, 28292900), (2, 14146450), (4, 7073225), (5, 5658580), (10, 2829290), (19, 1489100), (20, 1414645), (25, 1131716), (38, 744550), (50, 565858), (76, 372275), (95, 297820), (100, 282929), (190, 148910), (380, 74455), (475, 59564), (950, 29782), (1900, 14891)]