90162980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{237271}}^1$

素因数の和:237299

約数の個数: 24

約数和(自身を含む): 199308480

約数和(自身を除く): 109145500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 237271, 474542, 949084, 1186355, 2372710, 4508149, 4745420, 9016298, 18032596, 22540745, 45081490, 90162980]

約数ペア:

[(1, 90162980), (2, 45081490), (4, 22540745), (5, 18032596), (10, 9016298), (19, 4745420), (20, 4508149), (38, 2372710), (76, 1186355), (95, 949084), (190, 474542), (380, 237271)]