2597140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 6717312

約数和(自身を除く): 4120172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1427, 1820, 2854, 5708, 7135, 9989, 14270, 18551, 19978, 28540, 37102, 39956, 49945, 74204, 92755, 99890, 129857, 185510, 199780, 259714, 371020, 519428, 649285, 1298570, 2597140]

約数ペア:

[(1, 2597140), (2, 1298570), (4, 649285), (5, 519428), (7, 371020), (10, 259714), (13, 199780), (14, 185510), (20, 129857), (26, 99890), (28, 92755), (35, 74204), (52, 49945), (65, 39956), (70, 37102), (91, 28540), (130, 19978), (140, 18551), (182, 14270), (260, 9989), (364, 7135), (455, 5708), (910, 2854), (1427, 1820)]