128427740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{24793}}^1$

素因数の和:24846

約数の個数: 48

約数和(自身を含む): 316569792

約数和(自身を除く): 188142052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 24793, 49586, 99172, 123965, 173551, 247930, 347102, 495860, 694204, 867755, 917341, 1735510, 1834682, 3471020, 3669364, 4586705, 6421387, 9173410, 12842774, 18346820, 25685548, 32106935, 64213870, 128427740]

約数ペア:

[(1, 128427740), (2, 64213870), (4, 32106935), (5, 25685548), (7, 18346820), (10, 12842774), (14, 9173410), (20, 6421387), (28, 4586705), (35, 3669364), (37, 3471020), (70, 1834682), (74, 1735510), (140, 917341), (148, 867755), (185, 694204), (259, 495860), (370, 347102), (518, 247930), (740, 173551), (1036, 123965), (1295, 99172), (2590, 49586), (5180, 24793)]