2780479870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1\times {\mathrm{751}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 5777381376

約数和(自身を除く): 2996901506

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 233, 454, 466, 751, 1135, 1165, 1502, 1589, 1631, 2270, 2330, 3178, 3262, 3755, 5257, 7510, 7945, 8155, 10514, 15890, 16310, 26285, 52570, 52891, 105782, 170477, 174983, 264455, 340954, 349966, 370237, 528910, 740474, 852385, 874915, 1193339, 1224881, 1704770, 1749830, 1851185, 2386678, 2449762, 3702370, 5966695, 6124405, 11933390, 12248810, 39721141, 79442282, 198605705, 278047987, 397211410, 556095974, 1390239935, 2780479870]

約数ペア:

[(1, 2780479870), (2, 1390239935), (5, 556095974), (7, 397211410), (10, 278047987), (14, 198605705), (35, 79442282), (70, 39721141), (227, 12248810), (233, 11933390), (454, 6124405), (466, 5966695), (751, 3702370), (1135, 2449762), (1165, 2386678), (1502, 1851185), (1589, 1749830), (1631, 1704770), (2270, 1224881), (2330, 1193339), (3178, 874915), (3262, 852385), (3755, 740474), (5257, 528910), (7510, 370237), (7945, 349966), (8155, 340954), (10514, 264455), (15890, 174983), (16310, 170477), (26285, 105782), (52570, 52891)]