214296880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1489}}^1$

素因数の和:1766

約数の個数: 80

約数和(自身を含む): 572016960

約数和(自身を除く): 357720080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 1028, 1285, 1489, 1799, 2056, 2570, 2978, 3598, 4112, 5140, 5956, 7196, 7445, 8995, 10280, 10423, 11912, 14392, 14890, 17990, 20560, 20846, 23824, 28784, 29780, 35980, 41692, 52115, 59560, 71960, 83384, 104230, 119120, 143920, 166768, 208460, 382673, 416920, 765346, 833840, 1530692, 1913365, 2678711, 3061384, 3826730, 5357422, 6122768, 7653460, 10714844, 13393555, 15306920, 21429688, 26787110, 30613840, 42859376, 53574220, 107148440, 214296880]

約数ペア:

[(1, 214296880), (2, 107148440), (4, 53574220), (5, 42859376), (7, 30613840), (8, 26787110), (10, 21429688), (14, 15306920), (16, 13393555), (20, 10714844), (28, 7653460), (35, 6122768), (40, 5357422), (56, 3826730), (70, 3061384), (80, 2678711), (112, 1913365), (140, 1530692), (257, 833840), (280, 765346), (514, 416920), (560, 382673), (1028, 208460), (1285, 166768), (1489, 143920), (1799, 119120), (2056, 104230), (2570, 83384), (2978, 71960), (3598, 59560), (4112, 52115), (5140, 41692), (5956, 35980), (7196, 29780), (7445, 28784), (8995, 23824), (10280, 20846), (10423, 20560), (11912, 17990), (14392, 14890)]