70897180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 154173600

約数和(自身を除く): 83276420

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 298, 370, 596, 643, 740, 745, 1286, 1490, 2572, 2980, 3215, 5513, 6430, 11026, 12860, 22052, 23791, 27565, 47582, 55130, 95164, 95807, 110260, 118955, 191614, 237910, 383228, 475820, 479035, 958070, 1916140, 3544859, 7089718, 14179436, 17724295, 35448590, 70897180]

約数ペア:

[(1, 70897180), (2, 35448590), (4, 17724295), (5, 14179436), (10, 7089718), (20, 3544859), (37, 1916140), (74, 958070), (148, 479035), (149, 475820), (185, 383228), (298, 237910), (370, 191614), (596, 118955), (643, 110260), (740, 95807), (745, 95164), (1286, 55130), (1490, 47582), (2572, 27565), (2980, 23791), (3215, 22052), (5513, 12860), (6430, 11026)]