389992960

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{3109}}^1$

素因数の和:3146

約数の個数: 120

約数和(自身を含む): 1088083260

約数和(自身を除く): 698090300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3109, 3136, 3584, 3920, 4480, 6218, 6272, 7840, 8960, 12436, 12544, 15545, 15680, 17920, 21763, 24872, 25088, 31090, 31360, 43526, 49744, 62180, 62720, 87052, 99488, 108815, 124360, 125440, 152341, 174104, 198976, 217630, 248720, 304682, 348208, 397952, 435260, 497440, 609364, 696416, 761705, 795904, 870520, 994880, 1218728, 1392832, 1523410, 1591808, 1741040, 1989760, 2437456, 2785664, 3046820, 3482080, 3979520, 4874912, 5571328, 6093640, 6964160, 7959040, 9749824, 11142656, 12187280, 13928320, 19499648, 24374560, 27856640, 38999296, 48749120, 55713280, 77998592, 97498240, 194996480, 389992960]

約数ペア:

[(1, 389992960), (2, 194996480), (4, 97498240), (5, 77998592), (7, 55713280), (8, 48749120), (10, 38999296), (14, 27856640), (16, 24374560), (20, 19499648), (28, 13928320), (32, 12187280), (35, 11142656), (40, 9749824), (49, 7959040), (56, 6964160), (64, 6093640), (70, 5571328), (80, 4874912), (98, 3979520), (112, 3482080), (128, 3046820), (140, 2785664), (160, 2437456), (196, 1989760), (224, 1741040), (245, 1591808), (256, 1523410), (280, 1392832), (320, 1218728), (392, 994880), (448, 870520), (490, 795904), (512, 761705), (560, 696416), (640, 609364), (784, 497440), (896, 435260), (980, 397952), (1120, 348208), (1280, 304682), (1568, 248720), (1792, 217630), (1960, 198976), (2240, 174104), (2560, 152341), (3109, 125440), (3136, 124360), (3584, 108815), (3920, 99488), (4480, 87052), (6218, 62720), (6272, 62180), (7840, 49744), (8960, 43526), (12436, 31360), (12544, 31090), (15545, 25088), (15680, 24872), (17920, 21763)]