189942980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{202067}}^1$

素因数の和:202123

約数の個数: 24

約数和(自身を含む): 407369088

約数和(自身を除く): 217426108

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 202067, 404134, 808268, 1010335, 2020670, 4041340, 9497149, 18994298, 37988596, 47485745, 94971490, 189942980]

約数ペア:

[(1, 189942980), (2, 94971490), (4, 47485745), (5, 37988596), (10, 18994298), (20, 9497149), (47, 4041340), (94, 2020670), (188, 1010335), (235, 808268), (470, 404134), (940, 202067)]