71248540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 169159536

約数和(自身を除く): 97910996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 337, 341, 620, 674, 682, 961, 1348, 1364, 1685, 1705, 1922, 3370, 3410, 3707, 3844, 4805, 6740, 6820, 7414, 9610, 10447, 10571, 14828, 18535, 19220, 20894, 21142, 37070, 41788, 42284, 52235, 52855, 74140, 104470, 105710, 114917, 208940, 211420, 229834, 323857, 459668, 574585, 647714, 1149170, 1295428, 1619285, 2298340, 3238570, 3562427, 6477140, 7124854, 14249708, 17812135, 35624270, 71248540]

約数ペア:

[(1, 71248540), (2, 35624270), (4, 17812135), (5, 14249708), (10, 7124854), (11, 6477140), (20, 3562427), (22, 3238570), (31, 2298340), (44, 1619285), (55, 1295428), (62, 1149170), (110, 647714), (124, 574585), (155, 459668), (220, 323857), (310, 229834), (337, 211420), (341, 208940), (620, 114917), (674, 105710), (682, 104470), (961, 74140), (1348, 52855), (1364, 52235), (1685, 42284), (1705, 41788), (1922, 37070), (3370, 21142), (3410, 20894), (3707, 19220), (3844, 18535), (4805, 14828), (6740, 10571), (6820, 10447), (7414, 9610)]