78325940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 206938368

約数和(自身を除く): 128612428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 181, 220, 281, 308, 362, 385, 562, 724, 770, 905, 1124, 1267, 1405, 1540, 1810, 1967, 1991, 2534, 2810, 3091, 3620, 3934, 3982, 5068, 5620, 6182, 6335, 7868, 7964, 9835, 9955, 12364, 12670, 13937, 15455, 19670, 19910, 21637, 25340, 27874, 30910, 39340, 39820, 43274, 50861, 55748, 61820, 69685, 86548, 101722, 108185, 139370, 203444, 216370, 254305, 278740, 356027, 432740, 508610, 559471, 712054, 1017220, 1118942, 1424108, 1780135, 2237884, 2797355, 3560270, 3916297, 5594710, 7120540, 7832594, 11189420, 15665188, 19581485, 39162970, 78325940]

約数ペア:

[(1, 78325940), (2, 39162970), (4, 19581485), (5, 15665188), (7, 11189420), (10, 7832594), (11, 7120540), (14, 5594710), (20, 3916297), (22, 3560270), (28, 2797355), (35, 2237884), (44, 1780135), (55, 1424108), (70, 1118942), (77, 1017220), (110, 712054), (140, 559471), (154, 508610), (181, 432740), (220, 356027), (281, 278740), (308, 254305), (362, 216370), (385, 203444), (562, 139370), (724, 108185), (770, 101722), (905, 86548), (1124, 69685), (1267, 61820), (1405, 55748), (1540, 50861), (1810, 43274), (1967, 39820), (1991, 39340), (2534, 30910), (2810, 27874), (3091, 25340), (3620, 21637), (3934, 19910), (3982, 19670), (5068, 15455), (5620, 13937), (6182, 12670), (6335, 12364), (7868, 9955), (7964, 9835)]