490947992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{3361}}^1$

素因数の和:3448

約数の個数: 48

約数和(自身を含む): 1001539800

約数和(自身を除く): 510591808

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 961, 1178, 1922, 2356, 3361, 3844, 4712, 6722, 7688, 13444, 18259, 26888, 36518, 63859, 73036, 104191, 127718, 146072, 208382, 255436, 416764, 510872, 833528, 1979629, 3229921, 3959258, 6459842, 7918516, 12919684, 15837032, 25839368, 61368499, 122736998, 245473996, 490947992]

約数ペア:

[(1, 490947992), (2, 245473996), (4, 122736998), (8, 61368499), (19, 25839368), (31, 15837032), (38, 12919684), (62, 7918516), (76, 6459842), (124, 3959258), (152, 3229921), (248, 1979629), (589, 833528), (961, 510872), (1178, 416764), (1922, 255436), (2356, 208382), (3361, 146072), (3844, 127718), (4712, 104191), (6722, 73036), (7688, 63859), (13444, 36518), (18259, 26888)]