347998880

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16603}}^1$

素因数の和:16749

約数の個数: 48

約数和(自身を含む): 828473184

約数和(自身を除く): 480474304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 10480, 16603, 20960, 33206, 66412, 83015, 132824, 166030, 265648, 332060, 531296, 664120, 1328240, 2174993, 2656480, 4349986, 8699972, 10874965, 17399944, 21749930, 34799888, 43499860, 69599776, 86999720, 173999440, 347998880]

約数ペア:

[(1, 347998880), (2, 173999440), (4, 86999720), (5, 69599776), (8, 43499860), (10, 34799888), (16, 21749930), (20, 17399944), (32, 10874965), (40, 8699972), (80, 4349986), (131, 2656480), (160, 2174993), (262, 1328240), (524, 664120), (655, 531296), (1048, 332060), (1310, 265648), (2096, 166030), (2620, 132824), (4192, 83015), (5240, 66412), (10480, 33206), (16603, 20960)]