28495180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5501}}^1$

素因数の和:5554

約数の個数: 48

約数和(自身を含む): 70249536

約数和(自身を除く): 41754356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5501, 11002, 22004, 27505, 38507, 55010, 77014, 110020, 154028, 192535, 203537, 385070, 407074, 770140, 814148, 1017685, 1424759, 2035370, 2849518, 4070740, 5699036, 7123795, 14247590, 28495180]

約数ペア:

[(1, 28495180), (2, 14247590), (4, 7123795), (5, 5699036), (7, 4070740), (10, 2849518), (14, 2035370), (20, 1424759), (28, 1017685), (35, 814148), (37, 770140), (70, 407074), (74, 385070), (140, 203537), (148, 192535), (185, 154028), (259, 110020), (370, 77014), (518, 55010), (740, 38507), (1036, 27505), (1295, 22004), (2590, 11002), (5180, 5501)]