71871020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 173031936

約数和(自身を除く): 101160916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 37, 52, 62, 65, 74, 124, 130, 148, 155, 185, 241, 260, 310, 370, 403, 481, 482, 620, 740, 806, 962, 964, 1147, 1205, 1612, 1924, 2015, 2294, 2405, 2410, 3133, 4030, 4588, 4810, 4820, 5735, 6266, 7471, 8060, 8917, 9620, 11470, 12532, 14911, 14942, 15665, 17834, 22940, 29822, 29884, 31330, 35668, 37355, 44585, 59644, 62660, 74555, 74710, 89170, 97123, 115921, 149110, 149420, 178340, 194246, 231842, 276427, 298220, 388492, 463684, 485615, 552854, 579605, 971230, 1105708, 1159210, 1382135, 1942460, 2318420, 2764270, 3593551, 5528540, 7187102, 14374204, 17967755, 35935510, 71871020]

約数ペア:

[(1, 71871020), (2, 35935510), (4, 17967755), (5, 14374204), (10, 7187102), (13, 5528540), (20, 3593551), (26, 2764270), (31, 2318420), (37, 1942460), (52, 1382135), (62, 1159210), (65, 1105708), (74, 971230), (124, 579605), (130, 552854), (148, 485615), (155, 463684), (185, 388492), (241, 298220), (260, 276427), (310, 231842), (370, 194246), (403, 178340), (481, 149420), (482, 149110), (620, 115921), (740, 97123), (806, 89170), (962, 74710), (964, 74555), (1147, 62660), (1205, 59644), (1612, 44585), (1924, 37355), (2015, 35668), (2294, 31330), (2405, 29884), (2410, 29822), (3133, 22940), (4030, 17834), (4588, 15665), (4810, 14942), (4820, 14911), (5735, 12532), (6266, 11470), (7471, 9620), (8060, 8917)]