157219930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{499}}^1\times {\mathrm{643}}^1$

素因数の和:1163

約数の個数: 48

約数和(自身を含む): 330372000

約数和(自身を除く): 173152070

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 499, 643, 998, 1286, 2495, 3215, 3493, 4501, 4990, 6430, 6986, 9002, 17465, 22505, 24451, 31507, 34930, 45010, 48902, 63014, 122255, 157535, 244510, 315070, 320857, 641714, 1604285, 2245999, 3208570, 4491998, 11229995, 15721993, 22459990, 31443986, 78609965, 157219930]

約数ペア:

[(1, 157219930), (2, 78609965), (5, 31443986), (7, 22459990), (10, 15721993), (14, 11229995), (35, 4491998), (49, 3208570), (70, 2245999), (98, 1604285), (245, 641714), (490, 320857), (499, 315070), (643, 244510), (998, 157535), (1286, 122255), (2495, 63014), (3215, 48902), (3493, 45010), (4501, 34930), (4990, 31507), (6430, 24451), (6986, 22505), (9002, 17465)]