189431780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{379}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 405894720

約数和(自身を除く): 216462940

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 373, 379, 670, 746, 758, 1340, 1492, 1516, 1865, 1895, 3730, 3790, 7460, 7580, 24991, 25393, 49982, 50786, 99964, 101572, 124955, 126965, 141367, 249910, 253930, 282734, 499820, 507860, 565468, 706835, 1413670, 2827340, 9471589, 18943178, 37886356, 47357945, 94715890, 189431780]

約数ペア:

[(1, 189431780), (2, 94715890), (4, 47357945), (5, 37886356), (10, 18943178), (20, 9471589), (67, 2827340), (134, 1413670), (268, 706835), (335, 565468), (373, 507860), (379, 499820), (670, 282734), (746, 253930), (758, 249910), (1340, 141367), (1492, 126965), (1516, 124955), (1865, 101572), (1895, 99964), (3730, 50786), (3790, 49982), (7460, 25393), (7580, 24991)]