7418920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 17337780

約数和(自身を除く): 9918860

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 193, 248, 310, 386, 620, 772, 961, 965, 1240, 1544, 1922, 1930, 3844, 3860, 4805, 5983, 7688, 7720, 9610, 11966, 19220, 23932, 29915, 38440, 47864, 59830, 119660, 185473, 239320, 370946, 741892, 927365, 1483784, 1854730, 3709460, 7418920]

約数ペア:

[(1, 7418920), (2, 3709460), (4, 1854730), (5, 1483784), (8, 927365), (10, 741892), (20, 370946), (31, 239320), (40, 185473), (62, 119660), (124, 59830), (155, 47864), (193, 38440), (248, 29915), (310, 23932), (386, 19220), (620, 11966), (772, 9610), (961, 7720), (965, 7688), (1240, 5983), (1544, 4805), (1922, 3860), (1930, 3844)]