209970880

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{1913}}^1$

素因数の和:1951

約数の個数: 112

約数和(自身を含む): 583387200

約数和(自身を除く): 373416320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1913, 1960, 2240, 2744, 3136, 3430, 3826, 3920, 5488, 6860, 7652, 7840, 9565, 10976, 13391, 13720, 15304, 15680, 19130, 21952, 26782, 27440, 30608, 38260, 53564, 54880, 61216, 66955, 76520, 93737, 107128, 109760, 122432, 133910, 153040, 187474, 214256, 267820, 306080, 374948, 428512, 468685, 535640, 612160, 656159, 749896, 857024, 937370, 1071280, 1312318, 1499792, 1874740, 2142560, 2624636, 2999584, 3280795, 3749480, 4285120, 5249272, 5999168, 6561590, 7498960, 10498544, 13123180, 14997920, 20997088, 26246360, 29995840, 41994176, 52492720, 104985440, 209970880]

約数ペア:

[(1, 209970880), (2, 104985440), (4, 52492720), (5, 41994176), (7, 29995840), (8, 26246360), (10, 20997088), (14, 14997920), (16, 13123180), (20, 10498544), (28, 7498960), (32, 6561590), (35, 5999168), (40, 5249272), (49, 4285120), (56, 3749480), (64, 3280795), (70, 2999584), (80, 2624636), (98, 2142560), (112, 1874740), (140, 1499792), (160, 1312318), (196, 1071280), (224, 937370), (245, 857024), (280, 749896), (320, 656159), (343, 612160), (392, 535640), (448, 468685), (490, 428512), (560, 374948), (686, 306080), (784, 267820), (980, 214256), (1120, 187474), (1372, 153040), (1568, 133910), (1715, 122432), (1913, 109760), (1960, 107128), (2240, 93737), (2744, 76520), (3136, 66955), (3430, 61216), (3826, 54880), (3920, 53564), (5488, 38260), (6860, 30608), (7652, 27440), (7840, 26782), (9565, 21952), (10976, 19130), (13391, 15680), (13720, 15304)]