15390410

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{641}}^1$

素因数の和:676

約数の個数: 40

約数和(自身を含む): 32368356

約数和(自身を除く): 16977946

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 641, 686, 1282, 1715, 2401, 3205, 3430, 4487, 4802, 6410, 8974, 12005, 22435, 24010, 31409, 44870, 62818, 157045, 219863, 314090, 439726, 1099315, 1539041, 2198630, 3078082, 7695205, 15390410]

約数ペア:

[(1, 15390410), (2, 7695205), (5, 3078082), (7, 2198630), (10, 1539041), (14, 1099315), (35, 439726), (49, 314090), (70, 219863), (98, 157045), (245, 62818), (343, 44870), (490, 31409), (641, 24010), (686, 22435), (1282, 12005), (1715, 8974), (2401, 6410), (3205, 4802), (3430, 4487)]