260030980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 635548032

約数和(自身を除く): 375517052

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 251, 277, 340, 374, 502, 554, 748, 935, 1004, 1108, 1255, 1385, 1870, 2510, 2761, 2770, 3047, 3740, 4267, 4709, 5020, 5522, 5540, 6094, 8534, 9418, 11044, 12188, 13805, 15235, 17068, 18836, 21335, 23545, 27610, 30470, 42670, 46937, 47090, 51799, 55220, 60940, 69527, 85340, 93874, 94180, 103598, 139054, 187748, 207196, 234685, 258995, 278108, 347635, 469370, 517990, 695270, 764797, 938740, 1035980, 1181959, 1390540, 1529594, 2363918, 3059188, 3823985, 4727836, 5909795, 7647970, 11819590, 13001549, 15295940, 23639180, 26003098, 52006196, 65007745, 130015490, 260030980]

約数ペア:

[(1, 260030980), (2, 130015490), (4, 65007745), (5, 52006196), (10, 26003098), (11, 23639180), (17, 15295940), (20, 13001549), (22, 11819590), (34, 7647970), (44, 5909795), (55, 4727836), (68, 3823985), (85, 3059188), (110, 2363918), (170, 1529594), (187, 1390540), (220, 1181959), (251, 1035980), (277, 938740), (340, 764797), (374, 695270), (502, 517990), (554, 469370), (748, 347635), (935, 278108), (1004, 258995), (1108, 234685), (1255, 207196), (1385, 187748), (1870, 139054), (2510, 103598), (2761, 94180), (2770, 93874), (3047, 85340), (3740, 69527), (4267, 60940), (4709, 55220), (5020, 51799), (5522, 47090), (5540, 46937), (6094, 42670), (8534, 30470), (9418, 27610), (11044, 23545), (12188, 21335), (13805, 18836), (15235, 17068)]