155362220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1217}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 352362528

約数和(自身を除く): 197000308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491, 982, 1217, 1964, 2434, 2455, 4868, 4910, 6085, 6383, 9820, 12170, 12766, 15821, 24340, 25532, 31642, 31915, 63284, 63830, 79105, 127660, 158210, 316420, 597547, 1195094, 2390188, 2987735, 5975470, 7768111, 11950940, 15536222, 31072444, 38840555, 77681110, 155362220]

約数ペア:

[(1, 155362220), (2, 77681110), (4, 38840555), (5, 31072444), (10, 15536222), (13, 11950940), (20, 7768111), (26, 5975470), (52, 2987735), (65, 2390188), (130, 1195094), (260, 597547), (491, 316420), (982, 158210), (1217, 127660), (1964, 79105), (2434, 63830), (2455, 63284), (4868, 31915), (4910, 31642), (6085, 25532), (6383, 24340), (9820, 15821), (12170, 12766)]