257702900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28319}}^1$

素因数の和:28353

約数の個数: 72

約数和(自身を含む): 688289280

約数和(自身を除く): 430586380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 28319, 56638, 113276, 141595, 198233, 283190, 368147, 396466, 566380, 707975, 736294, 792932, 991165, 1415950, 1472588, 1840735, 1982330, 2577029, 2831900, 3681470, 3964660, 4955825, 5154058, 7362940, 9203675, 9911650, 10308116, 12885145, 18407350, 19823300, 25770290, 36814700, 51540580, 64425725, 128851450, 257702900]

約数ペア:

[(1, 257702900), (2, 128851450), (4, 64425725), (5, 51540580), (7, 36814700), (10, 25770290), (13, 19823300), (14, 18407350), (20, 12885145), (25, 10308116), (26, 9911650), (28, 9203675), (35, 7362940), (50, 5154058), (52, 4955825), (65, 3964660), (70, 3681470), (91, 2831900), (100, 2577029), (130, 1982330), (140, 1840735), (175, 1472588), (182, 1415950), (260, 991165), (325, 792932), (350, 736294), (364, 707975), (455, 566380), (650, 396466), (700, 368147), (910, 283190), (1300, 198233), (1820, 141595), (2275, 113276), (4550, 56638), (9100, 28319)]