2812810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 6822144

約数和(自身を除く): 4009334

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 281, 286, 385, 455, 562, 715, 770, 910, 1001, 1405, 1430, 1967, 2002, 2810, 3091, 3653, 3934, 5005, 6182, 7306, 9835, 10010, 15455, 18265, 19670, 21637, 25571, 30910, 36530, 40183, 43274, 51142, 80366, 108185, 127855, 200915, 216370, 255710, 281281, 401830, 562562, 1406405, 2812810]

約数ペア:

[(1, 2812810), (2, 1406405), (5, 562562), (7, 401830), (10, 281281), (11, 255710), (13, 216370), (14, 200915), (22, 127855), (26, 108185), (35, 80366), (55, 51142), (65, 43274), (70, 40183), (77, 36530), (91, 30910), (110, 25571), (130, 21637), (143, 19670), (154, 18265), (182, 15455), (281, 10010), (286, 9835), (385, 7306), (455, 6182), (562, 5005), (715, 3934), (770, 3653), (910, 3091), (1001, 2810), (1405, 2002), (1430, 1967)]