2557100

素因数分解:

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

素因数の和:315

約数の個数: 72

約数和(自身を含む): 6853728

約数和(自身を除く): 4296628

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 281, 325, 350, 364, 455, 562, 650, 700, 910, 1124, 1300, 1405, 1820, 1967, 2275, 2810, 3653, 3934, 4550, 5620, 7025, 7306, 7868, 9100, 9835, 14050, 14612, 18265, 19670, 25571, 28100, 36530, 39340, 49175, 51142, 73060, 91325, 98350, 102284, 127855, 182650, 196700, 255710, 365300, 511420, 639275, 1278550, 2557100]

約数ペア:

[(1, 2557100), (2, 1278550), (4, 639275), (5, 511420), (7, 365300), (10, 255710), (13, 196700), (14, 182650), (20, 127855), (25, 102284), (26, 98350), (28, 91325), (35, 73060), (50, 51142), (52, 49175), (65, 39340), (70, 36530), (91, 28100), (100, 25571), (130, 19670), (140, 18265), (175, 14612), (182, 14050), (260, 9835), (281, 9100), (325, 7868), (350, 7306), (364, 7025), (455, 5620), (562, 4550), (650, 3934), (700, 3653), (910, 2810), (1124, 2275), (1300, 1967), (1405, 1820)]