490230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 1375920

約数和(自身を除く): 885690

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 419, 585, 838, 1170, 1257, 2095, 2514, 3771, 4190, 5447, 6285, 7542, 10894, 12570, 16341, 18855, 27235, 32682, 37710, 49023, 54470, 81705, 98046, 163410, 245115, 490230]

約数ペア:

[(1, 490230), (2, 245115), (3, 163410), (5, 98046), (6, 81705), (9, 54470), (10, 49023), (13, 37710), (15, 32682), (18, 27235), (26, 18855), (30, 16341), (39, 12570), (45, 10894), (65, 7542), (78, 6285), (90, 5447), (117, 4190), (130, 3771), (195, 2514), (234, 2095), (390, 1257), (419, 1170), (585, 838)]