306485440

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6991}}^1$

素因数の和:7145

約数の個数: 56

約数和(自身を含む): 735250752

約数和(自身を除く): 428765312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 6991, 8768, 10960, 13982, 21920, 27964, 34955, 43840, 55928, 69910, 111856, 139820, 223712, 279640, 447424, 559280, 957767, 1118560, 1915534, 2237120, 3831068, 4788835, 7662136, 9577670, 15324272, 19155340, 30648544, 38310680, 61297088, 76621360, 153242720, 306485440]

約数ペア:

[(1, 306485440), (2, 153242720), (4, 76621360), (5, 61297088), (8, 38310680), (10, 30648544), (16, 19155340), (20, 15324272), (32, 9577670), (40, 7662136), (64, 4788835), (80, 3831068), (137, 2237120), (160, 1915534), (274, 1118560), (320, 957767), (548, 559280), (685, 447424), (1096, 279640), (1370, 223712), (2192, 139820), (2740, 111856), (4384, 69910), (5480, 55928), (6991, 43840), (8768, 34955), (10960, 27964), (13982, 21920)]