128338730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 264176640

約数和(自身を除く): 135837910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 223, 233, 247, 446, 466, 494, 1115, 1165, 1235, 2230, 2330, 2470, 2899, 3029, 4237, 4427, 5798, 6058, 8474, 8854, 14495, 15145, 21185, 22135, 28990, 30290, 42370, 44270, 51959, 55081, 57551, 103918, 110162, 115102, 259795, 275405, 287755, 519590, 550810, 575510, 675467, 987221, 1350934, 1974442, 3377335, 4936105, 6754670, 9872210, 12833873, 25667746, 64169365, 128338730]

約数ペア:

[(1, 128338730), (2, 64169365), (5, 25667746), (10, 12833873), (13, 9872210), (19, 6754670), (26, 4936105), (38, 3377335), (65, 1974442), (95, 1350934), (130, 987221), (190, 675467), (223, 575510), (233, 550810), (247, 519590), (446, 287755), (466, 275405), (494, 259795), (1115, 115102), (1165, 110162), (1235, 103918), (2230, 57551), (2330, 55081), (2470, 51959), (2899, 44270), (3029, 42370), (4237, 30290), (4427, 28990), (5798, 22135), (6058, 21185), (8474, 15145), (8854, 14495)]