490114690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{198427}}^1$

素因数の和:198466

約数の個数: 32

約数和(自身を含む): 1000077120

約数和(自身を除く): 509962430

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 198427, 396854, 992135, 1984270, 2579551, 3770113, 5159102, 7540226, 12897755, 18850565, 25795510, 37701130, 49011469, 98022938, 245057345, 490114690]

約数ペア:

[(1, 490114690), (2, 245057345), (5, 98022938), (10, 49011469), (13, 37701130), (19, 25795510), (26, 18850565), (38, 12897755), (65, 7540226), (95, 5159102), (130, 3770113), (190, 2579551), (247, 1984270), (494, 992135), (1235, 396854), (2470, 198427)]