7779740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 17539200

約数和(自身を除く): 9759460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 347, 380, 590, 694, 1121, 1180, 1388, 1735, 2242, 3470, 4484, 5605, 6593, 6940, 11210, 13186, 20473, 22420, 26372, 32965, 40946, 65930, 81892, 102365, 131860, 204730, 388987, 409460, 777974, 1555948, 1944935, 3889870, 7779740]

約数ペア:

[(1, 7779740), (2, 3889870), (4, 1944935), (5, 1555948), (10, 777974), (19, 409460), (20, 388987), (38, 204730), (59, 131860), (76, 102365), (95, 81892), (118, 65930), (190, 40946), (236, 32965), (295, 26372), (347, 22420), (380, 20473), (590, 13186), (694, 11210), (1121, 6940), (1180, 6593), (1388, 5605), (1735, 4484), (2242, 3470)]