280187710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 585766080

約数和(自身を除く): 305578370

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 269, 374, 538, 557, 935, 1114, 1345, 1870, 2690, 2785, 2959, 4573, 5570, 5918, 6127, 9146, 9469, 12254, 14795, 18938, 22865, 29590, 30635, 45730, 47345, 50303, 61270, 94690, 100606, 104159, 149833, 208318, 251515, 299666, 503030, 520795, 749165, 1041590, 1498330, 1648163, 2547161, 3296326, 5094322, 8240815, 12735805, 16481630, 25471610, 28018771, 56037542, 140093855, 280187710]

約数ペア:

[(1, 280187710), (2, 140093855), (5, 56037542), (10, 28018771), (11, 25471610), (17, 16481630), (22, 12735805), (34, 8240815), (55, 5094322), (85, 3296326), (110, 2547161), (170, 1648163), (187, 1498330), (269, 1041590), (374, 749165), (538, 520795), (557, 503030), (935, 299666), (1114, 251515), (1345, 208318), (1870, 149833), (2690, 104159), (2785, 100606), (2959, 94690), (4573, 61270), (5570, 50303), (5918, 47345), (6127, 45730), (9146, 30635), (9469, 29590), (12254, 22865), (14795, 18938)]