30996910

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{1291}}^1$

素因数の和:1326

約数の個数: 40

約数和(自身を含む): 65140056

約数和(自身を除く): 34143146

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1291, 1715, 2401, 2582, 3430, 4802, 6455, 9037, 12005, 12910, 18074, 24010, 45185, 63259, 90370, 126518, 316295, 442813, 632590, 885626, 2214065, 3099691, 4428130, 6199382, 15498455, 30996910]

約数ペア:

[(1, 30996910), (2, 15498455), (5, 6199382), (7, 4428130), (10, 3099691), (14, 2214065), (35, 885626), (49, 632590), (70, 442813), (98, 316295), (245, 126518), (343, 90370), (490, 63259), (686, 45185), (1291, 24010), (1715, 18074), (2401, 12910), (2582, 12005), (3430, 9037), (4802, 6455)]