64840300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 161934080

約数和(自身を除く): 97093780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 211, 350, 422, 439, 700, 844, 878, 1055, 1477, 1756, 2110, 2195, 2954, 3073, 4220, 4390, 5275, 5908, 6146, 7385, 8780, 10550, 10975, 12292, 14770, 15365, 21100, 21950, 29540, 30730, 36925, 43900, 61460, 73850, 76825, 92629, 147700, 153650, 185258, 307300, 370516, 463145, 648403, 926290, 1296806, 1852580, 2315725, 2593612, 3242015, 4631450, 6484030, 9262900, 12968060, 16210075, 32420150, 64840300]

約数ペア:

[(1, 64840300), (2, 32420150), (4, 16210075), (5, 12968060), (7, 9262900), (10, 6484030), (14, 4631450), (20, 3242015), (25, 2593612), (28, 2315725), (35, 1852580), (50, 1296806), (70, 926290), (100, 648403), (140, 463145), (175, 370516), (211, 307300), (350, 185258), (422, 153650), (439, 147700), (700, 92629), (844, 76825), (878, 73850), (1055, 61460), (1477, 43900), (1756, 36925), (2110, 30730), (2195, 29540), (2954, 21950), (3073, 21100), (4220, 15365), (4390, 14770), (5275, 12292), (5908, 10975), (6146, 10550), (7385, 8780)]