71338220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 155131200

約数和(自身を除く): 83792980

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 298, 370, 596, 647, 740, 745, 1294, 1490, 2588, 2980, 3235, 5513, 6470, 11026, 12940, 22052, 23939, 27565, 47878, 55130, 95756, 96403, 110260, 119695, 192806, 239390, 385612, 478780, 482015, 964030, 1928060, 3566911, 7133822, 14267644, 17834555, 35669110, 71338220]

約数ペア:

[(1, 71338220), (2, 35669110), (4, 17834555), (5, 14267644), (10, 7133822), (20, 3566911), (37, 1928060), (74, 964030), (148, 482015), (149, 478780), (185, 385612), (298, 239390), (370, 192806), (596, 119695), (647, 110260), (740, 96403), (745, 95756), (1294, 55130), (1490, 47878), (2588, 27565), (2980, 23939), (3235, 22052), (5513, 12940), (6470, 11026)]