7210139.00000000

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15359}}^1$

素因数の和:15388

約数の個数: 48

約数和(自身を含む): 72253440

約数和(自身を除く): 44300060

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, 1820, 15359, 30718, 61436, 76795, 107513, 153590, 199667, 215026, 307180, 399334, 430052, 537565, 798668, 998335, 1075130, 1397669, 1996670, 2150260, 2795338, 3993340, 5590676, 6988345, 13976690, 27953380]

約数ペア:

[(1, 27953380), (2, 13976690), (4, 6988345), (5, 5590676), (7, 3993340), (10, 2795338), (13, 2150260), (14, 1996670), (20, 1397669), (26, 1075130), (28, 998335), (35, 798668), (52, 537565), (65, 430052), (70, 399334), (91, 307180), (130, 215026), (140, 199667), (182, 153590), (260, 107513), (364, 76795), (455, 61436), (910, 30718), (1820, 15359)]