391498240

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{3121}}^1$

素因数の和:3158

約数の個数: 120

約数和(自身を含む): 1092281652

約数和(自身を除く): 700783412

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, 3121, 3136, 3584, 3920, 4480, 6242, 6272, 7840, 8960, 12484, 12544, 15605, 15680, 17920, 21847, 24968, 25088, 31210, 31360, 43694, 49936, 62420, 62720, 87388, 99872, 109235, 124840, 125440, 152929, 174776, 199744, 218470, 249680, 305858, 349552, 399488, 436940, 499360, 611716, 699104, 764645, 798976, 873880, 998720, 1223432, 1398208, 1529290, 1597952, 1747760, 1997440, 2446864, 2796416, 3058580, 3495520, 3994880, 4893728, 5592832, 6117160, 6991040, 7989760, 9787456, 11185664, 12234320, 13982080, 19574912, 24468640, 27964160, 39149824, 48937280, 55928320, 78299648, 97874560, 195749120, 391498240]

約数ペア:

[(1, 391498240), (2, 195749120), (4, 97874560), (5, 78299648), (7, 55928320), (8, 48937280), (10, 39149824), (14, 27964160), (16, 24468640), (20, 19574912), (28, 13982080), (32, 12234320), (35, 11185664), (40, 9787456), (49, 7989760), (56, 6991040), (64, 6117160), (70, 5592832), (80, 4893728), (98, 3994880), (112, 3495520), (128, 3058580), (140, 2796416), (160, 2446864), (196, 1997440), (224, 1747760), (245, 1597952), (256, 1529290), (280, 1398208), (320, 1223432), (392, 998720), (448, 873880), (490, 798976), (512, 764645), (560, 699104), (640, 611716), (784, 499360), (896, 436940), (980, 399488), (1120, 349552), (1280, 305858), (1568, 249680), (1792, 218470), (1960, 199744), (2240, 174776), (2560, 152929), (3121, 125440), (3136, 124840), (3584, 109235), (3920, 99872), (4480, 87388), (6242, 62720), (6272, 62420), (7840, 49936), (8960, 43694), (12484, 31360), (12544, 31210), (15605, 25088), (15680, 24968), (17920, 21847)]