328672490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{1031}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 601862400

約数和(自身を除く): 273189910

約数列:

[1, 2, 5, 10, 71, 142, 355, 449, 710, 898, 1031, 2062, 2245, 4490, 5155, 10310, 31879, 63758, 73201, 146402, 159395, 318790, 366005, 462919, 732010, 925838, 2314595, 4629190, 32867249, 65734498, 164336245, 328672490]

約数ペア:

[(1, 328672490), (2, 164336245), (5, 65734498), (10, 32867249), (71, 4629190), (142, 2314595), (355, 925838), (449, 732010), (710, 462919), (898, 366005), (1031, 318790), (2062, 159395), (2245, 146402), (4490, 73201), (5155, 63758), (10310, 31879)]