189380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 421848

約数和(自身を除く): 232468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 557, 1114, 2228, 2785, 5570, 9469, 11140, 18938, 37876, 47345, 94690, 189380]

約数ペア:

[(1, 189380), (2, 94690), (4, 47345), (5, 37876), (10, 18938), (17, 11140), (20, 9469), (34, 5570), (68, 2785), (85, 2228), (170, 1114), (340, 557)]