290845230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{745757}}^1$

素因数の和:745780

約数の個数: 32

約数和(自身を含む): 751724064

約数和(自身を除く): 460878834

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 745757, 1491514, 2237271, 3728785, 4474542, 7457570, 9694841, 11186355, 19389682, 22372710, 29084523, 48474205, 58169046, 96948410, 145422615, 290845230]

約数ペア:

[(1, 290845230), (2, 145422615), (3, 96948410), (5, 58169046), (6, 48474205), (10, 29084523), (13, 22372710), (15, 19389682), (26, 11186355), (30, 9694841), (39, 7457570), (65, 4474542), (78, 3728785), (130, 2237271), (195, 1491514), (390, 745757)]