2402840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 6082560

約数和(自身を除く): 3679720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 127, 172, 215, 220, 254, 344, 430, 440, 473, 508, 635, 860, 946, 1016, 1270, 1397, 1720, 1892, 2365, 2540, 2794, 3784, 4730, 5080, 5461, 5588, 6985, 9460, 10922, 11176, 13970, 18920, 21844, 27305, 27940, 43688, 54610, 55880, 60071, 109220, 120142, 218440, 240284, 300355, 480568, 600710, 1201420, 2402840]

約数ペア:

[(1, 2402840), (2, 1201420), (4, 600710), (5, 480568), (8, 300355), (10, 240284), (11, 218440), (20, 120142), (22, 109220), (40, 60071), (43, 55880), (44, 54610), (55, 43688), (86, 27940), (88, 27305), (110, 21844), (127, 18920), (172, 13970), (215, 11176), (220, 10922), (254, 9460), (344, 6985), (430, 5588), (440, 5461), (473, 5080), (508, 4730), (635, 3784), (860, 2794), (946, 2540), (1016, 2365), (1270, 1892), (1397, 1720)]