1313480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4691}}^1$

素因数の和:4709

約数の個数: 32

約数和(自身を含む): 3378240

約数和(自身を除く): 2064760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4691, 9382, 18764, 23455, 32837, 37528, 46910, 65674, 93820, 131348, 164185, 187640, 262696, 328370, 656740, 1313480]

約数ペア:

[(1, 1313480), (2, 656740), (4, 328370), (5, 262696), (7, 187640), (8, 164185), (10, 131348), (14, 93820), (20, 65674), (28, 46910), (35, 37528), (40, 32837), (56, 23455), (70, 18764), (140, 9382), (280, 4691)]