68739860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16931}}^1$

素因数の和:16976

約数の個数: 48

約数和(自身を含む): 170674560

約数和(自身を除く): 101934700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 16931, 33862, 67724, 84655, 118517, 169310, 237034, 338620, 474068, 490999, 592585, 981998, 1185170, 1963996, 2370340, 2454995, 3436993, 4909990, 6873986, 9819980, 13747972, 17184965, 34369930, 68739860]

約数ペア:

[(1, 68739860), (2, 34369930), (4, 17184965), (5, 13747972), (7, 9819980), (10, 6873986), (14, 4909990), (20, 3436993), (28, 2454995), (29, 2370340), (35, 1963996), (58, 1185170), (70, 981998), (116, 592585), (140, 490999), (145, 474068), (203, 338620), (290, 237034), (406, 169310), (580, 118517), (812, 84655), (1015, 67724), (2030, 33862), (4060, 16931)]