218005280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80149}}^1$

素因数の和:80181

約数の個数: 48

約数和(自身を含む): 545340600

約数和(自身を除く): 327335320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 80149, 160298, 320596, 400745, 641192, 801490, 1282384, 1362533, 1602980, 2564768, 2725066, 3205960, 5450132, 6411920, 6812665, 10900264, 12823840, 13625330, 21800528, 27250660, 43601056, 54501320, 109002640, 218005280]

約数ペア:

[(1, 218005280), (2, 109002640), (4, 54501320), (5, 43601056), (8, 27250660), (10, 21800528), (16, 13625330), (17, 12823840), (20, 10900264), (32, 6812665), (34, 6411920), (40, 5450132), (68, 3205960), (80, 2725066), (85, 2564768), (136, 1602980), (160, 1362533), (170, 1282384), (272, 801490), (340, 641192), (544, 400745), (680, 320596), (1360, 160298), (2720, 80149)]