388558720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:696

約数の個数: 128

約数和(自身を含む): 1025589600

約数和(自身を除く): 637030880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 97, 110, 128, 160, 176, 194, 220, 320, 352, 388, 440, 485, 569, 640, 704, 776, 880, 970, 1067, 1138, 1408, 1552, 1760, 1940, 2134, 2276, 2845, 3104, 3520, 3880, 4268, 4552, 5335, 5690, 6208, 6259, 7040, 7760, 8536, 9104, 10670, 11380, 12416, 12518, 15520, 17072, 18208, 21340, 22760, 25036, 31040, 31295, 34144, 36416, 42680, 45520, 50072, 55193, 62080, 62590, 68288, 72832, 85360, 91040, 100144, 110386, 125180, 136576, 170720, 182080, 200288, 220772, 250360, 275965, 341440, 364160, 400576, 441544, 500720, 551930, 607123, 682880, 801152, 883088, 1001440, 1103860, 1214246, 1766176, 2002880, 2207720, 2428492, 3035615, 3532352, 4005760, 4415440, 4856984, 6071230, 7064704, 8830880, 9713968, 12142460, 17661760, 19427936, 24284920, 35323520, 38855872, 48569840, 77711744, 97139680, 194279360, 388558720]

約数ペア:

[(1, 388558720), (2, 194279360), (4, 97139680), (5, 77711744), (8, 48569840), (10, 38855872), (11, 35323520), (16, 24284920), (20, 19427936), (22, 17661760), (32, 12142460), (40, 9713968), (44, 8830880), (55, 7064704), (64, 6071230), (80, 4856984), (88, 4415440), (97, 4005760), (110, 3532352), (128, 3035615), (160, 2428492), (176, 2207720), (194, 2002880), (220, 1766176), (320, 1214246), (352, 1103860), (388, 1001440), (440, 883088), (485, 801152), (569, 682880), (640, 607123), (704, 551930), (776, 500720), (880, 441544), (970, 400576), (1067, 364160), (1138, 341440), (1408, 275965), (1552, 250360), (1760, 220772), (1940, 200288), (2134, 182080), (2276, 170720), (2845, 136576), (3104, 125180), (3520, 110386), (3880, 100144), (4268, 91040), (4552, 85360), (5335, 72832), (5690, 68288), (6208, 62590), (6259, 62080), (7040, 55193), (7760, 50072), (8536, 45520), (9104, 42680), (10670, 36416), (11380, 34144), (12416, 31295), (12518, 31040), (15520, 25036), (17072, 22760), (18208, 21340)]