2519590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 4860000

約数和(自身を除く): 2340410

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 149, 178, 190, 298, 445, 745, 890, 1490, 1691, 2831, 3382, 5662, 8455, 13261, 14155, 16910, 26522, 28310, 66305, 132610, 251959, 503918, 1259795, 2519590]

約数ペア:

[(1, 2519590), (2, 1259795), (5, 503918), (10, 251959), (19, 132610), (38, 66305), (89, 28310), (95, 26522), (149, 16910), (178, 14155), (190, 13261), (298, 8455), (445, 5662), (745, 3382), (890, 2831), (1490, 1691)]