312699400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{947}}^1$

素因数の和:1103

約数の個数: 96

約数和(自身を含む): 789949440

約数和(自身を除く): 477250040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 127, 130, 200, 254, 260, 325, 508, 520, 635, 650, 947, 1016, 1270, 1300, 1651, 1894, 2540, 2600, 3175, 3302, 3788, 4735, 5080, 6350, 6604, 7576, 8255, 9470, 12311, 12700, 13208, 16510, 18940, 23675, 24622, 25400, 33020, 37880, 41275, 47350, 49244, 61555, 66040, 82550, 94700, 98488, 120269, 123110, 165100, 189400, 240538, 246220, 307775, 330200, 481076, 492440, 601345, 615550, 962152, 1202690, 1231100, 1563497, 2405380, 2462200, 3006725, 3126994, 4810760, 6013450, 6253988, 7817485, 12026900, 12507976, 15634970, 24053800, 31269940, 39087425, 62539880, 78174850, 156349700, 312699400]

約数ペア:

[(1, 312699400), (2, 156349700), (4, 78174850), (5, 62539880), (8, 39087425), (10, 31269940), (13, 24053800), (20, 15634970), (25, 12507976), (26, 12026900), (40, 7817485), (50, 6253988), (52, 6013450), (65, 4810760), (100, 3126994), (104, 3006725), (127, 2462200), (130, 2405380), (200, 1563497), (254, 1231100), (260, 1202690), (325, 962152), (508, 615550), (520, 601345), (635, 492440), (650, 481076), (947, 330200), (1016, 307775), (1270, 246220), (1300, 240538), (1651, 189400), (1894, 165100), (2540, 123110), (2600, 120269), (3175, 98488), (3302, 94700), (3788, 82550), (4735, 66040), (5080, 61555), (6350, 49244), (6604, 47350), (7576, 41275), (8255, 37880), (9470, 33020), (12311, 25400), (12700, 24622), (13208, 23675), (16510, 18940)]