90284350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{138899}}^1$

素因数の和:138924

約数の個数: 24

約数和(自身を含む): 180847800

約数和(自身を除く): 90563450

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 138899, 277798, 694495, 1388990, 1805687, 3472475, 3611374, 6944950, 9028435, 18056870, 45142175, 90284350]

約数ペア:

[(1, 90284350), (2, 45142175), (5, 18056870), (10, 9028435), (13, 6944950), (25, 3611374), (26, 3472475), (50, 1805687), (65, 1388990), (130, 694495), (325, 277798), (650, 138899)]