68409820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1171}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 151216128

約数和(自身を除く): 82806308

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 460, 508, 635, 1171, 1270, 2342, 2540, 2921, 4684, 5842, 5855, 11684, 11710, 14605, 23420, 26933, 29210, 53866, 58420, 107732, 134665, 148717, 269330, 297434, 538660, 594868, 743585, 1487170, 2974340, 3420491, 6840982, 13681964, 17102455, 34204910, 68409820]

約数ペア:

[(1, 68409820), (2, 34204910), (4, 17102455), (5, 13681964), (10, 6840982), (20, 3420491), (23, 2974340), (46, 1487170), (92, 743585), (115, 594868), (127, 538660), (230, 297434), (254, 269330), (460, 148717), (508, 134665), (635, 107732), (1171, 58420), (1270, 53866), (2342, 29210), (2540, 26933), (2921, 23420), (4684, 14605), (5842, 11710), (5855, 11684)]