390785876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1627}}^1$

素因数の和:1824

約数の個数: 48

約数和(自身を含む): 765811200

約数和(自身を除く): 375025324

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 149, 298, 403, 596, 806, 1612, 1627, 1937, 3254, 3874, 4619, 6508, 7748, 9238, 18476, 21151, 42302, 50437, 60047, 84604, 100874, 120094, 201748, 240188, 242423, 484846, 655681, 969692, 1311362, 2622724, 3151499, 6302998, 7515113, 12605996, 15030226, 30060452, 97696469, 195392938, 390785876]

約数ペア:

[(1, 390785876), (2, 195392938), (4, 97696469), (13, 30060452), (26, 15030226), (31, 12605996), (52, 7515113), (62, 6302998), (124, 3151499), (149, 2622724), (298, 1311362), (403, 969692), (596, 655681), (806, 484846), (1612, 242423), (1627, 240188), (1937, 201748), (3254, 120094), (3874, 100874), (4619, 84604), (6508, 60047), (7748, 50437), (9238, 42302), (18476, 21151)]