68901700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 171988992

約数和(自身を除く): 103087292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 257, 350, 383, 514, 700, 766, 1028, 1285, 1532, 1799, 1915, 2570, 2681, 3598, 3830, 5140, 5362, 6425, 7196, 7660, 8995, 9575, 10724, 12850, 13405, 17990, 19150, 25700, 26810, 35980, 38300, 44975, 53620, 67025, 89950, 98431, 134050, 179900, 196862, 268100, 393724, 492155, 689017, 984310, 1378034, 1968620, 2460775, 2756068, 3445085, 4921550, 6890170, 9843100, 13780340, 17225425, 34450850, 68901700]

約数ペア:

[(1, 68901700), (2, 34450850), (4, 17225425), (5, 13780340), (7, 9843100), (10, 6890170), (14, 4921550), (20, 3445085), (25, 2756068), (28, 2460775), (35, 1968620), (50, 1378034), (70, 984310), (100, 689017), (140, 492155), (175, 393724), (257, 268100), (350, 196862), (383, 179900), (514, 134050), (700, 98431), (766, 89950), (1028, 67025), (1285, 53620), (1532, 44975), (1799, 38300), (1915, 35980), (2570, 26810), (2681, 25700), (3598, 19150), (3830, 17990), (5140, 13405), (5362, 12850), (6425, 10724), (7196, 9575), (7660, 8995)]