140237860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52721}}^1$

素因数の和:52756

約数の個数: 48

約数和(自身を含む): 354291840

約数和(自身を除く): 214053980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 52721, 105442, 210884, 263605, 369047, 527210, 738094, 1001699, 1054420, 1476188, 1845235, 2003398, 3690470, 4006796, 5008495, 7011893, 7380940, 10016990, 14023786, 20033980, 28047572, 35059465, 70118930, 140237860]

約数ペア:

[(1, 140237860), (2, 70118930), (4, 35059465), (5, 28047572), (7, 20033980), (10, 14023786), (14, 10016990), (19, 7380940), (20, 7011893), (28, 5008495), (35, 4006796), (38, 3690470), (70, 2003398), (76, 1845235), (95, 1476188), (133, 1054420), (140, 1001699), (190, 738094), (266, 527210), (380, 369047), (532, 263605), (665, 210884), (1330, 105442), (2660, 52721)]