168272860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{171707}}^1$

素因数の和:171730

約数の個数: 36

約数和(自身を含む): 411068952

約数和(自身を除く): 242796092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 171707, 343414, 686828, 858535, 1201949, 1717070, 2403898, 3434140, 4807796, 6009745, 8413643, 12019490, 16827286, 24038980, 33654572, 42068215, 84136430, 168272860]

約数ペア:

[(1, 168272860), (2, 84136430), (4, 42068215), (5, 33654572), (7, 24038980), (10, 16827286), (14, 12019490), (20, 8413643), (28, 6009745), (35, 4807796), (49, 3434140), (70, 2403898), (98, 1717070), (140, 1201949), (196, 858535), (245, 686828), (490, 343414), (980, 171707)]