1880495890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1\times {\mathrm{2137}}^1$

素因数の和:3131

約数の個数: 64

約数和(自身を含む): 4172281344

約数和(自身を除く): 2291785454

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 967, 1934, 2137, 4274, 4835, 6769, 9670, 10685, 12571, 13538, 14959, 21370, 25142, 27781, 29918, 33845, 55562, 62855, 67690, 74795, 87997, 125710, 138905, 149590, 175994, 194467, 277810, 388934, 439985, 879970, 972335, 1944670, 2066479, 4132958, 10332395, 14465353, 20664790, 26864227, 28930706, 53728454, 72326765, 134321135, 144653530, 188049589, 268642270, 376099178, 940247945, 1880495890]

約数ペア:

[(1, 1880495890), (2, 940247945), (5, 376099178), (7, 268642270), (10, 188049589), (13, 144653530), (14, 134321135), (26, 72326765), (35, 53728454), (65, 28930706), (70, 26864227), (91, 20664790), (130, 14465353), (182, 10332395), (455, 4132958), (910, 2066479), (967, 1944670), (1934, 972335), (2137, 879970), (4274, 439985), (4835, 388934), (6769, 277810), (9670, 194467), (10685, 175994), (12571, 149590), (13538, 138905), (14959, 125710), (21370, 87997), (25142, 74795), (27781, 67690), (29918, 62855), (33845, 55562)]