69983669380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1\times {\mathrm{54151}}^1$

素因数の和:54377

約数の個数: 72

約数和(自身を含む): 155977254720

約数和(自身を除く): 85993585340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 361, 380, 716, 722, 895, 1444, 1790, 1805, 3401, 3580, 3610, 6802, 7220, 13604, 17005, 34010, 54151, 64619, 68020, 108302, 129238, 216604, 258476, 270755, 323095, 541510, 646190, 1028869, 1083020, 1292380, 2057738, 4115476, 5144345, 9693029, 10288690, 19386058, 19548511, 20577380, 38772116, 39097022, 48465145, 78194044, 96930290, 97742555, 184167551, 193860580, 195485110, 368335102, 390970220, 736670204, 920837755, 1841675510, 3499183469, 3683351020, 6998366938, 13996733876, 17495917345, 34991834690, 69983669380]

約数ペア:

[(1, 69983669380), (2, 34991834690), (4, 17495917345), (5, 13996733876), (10, 6998366938), (19, 3683351020), (20, 3499183469), (38, 1841675510), (76, 920837755), (95, 736670204), (179, 390970220), (190, 368335102), (358, 195485110), (361, 193860580), (380, 184167551), (716, 97742555), (722, 96930290), (895, 78194044), (1444, 48465145), (1790, 39097022), (1805, 38772116), (3401, 20577380), (3580, 19548511), (3610, 19386058), (6802, 10288690), (7220, 9693029), (13604, 5144345), (17005, 4115476), (34010, 2057738), (54151, 1292380), (64619, 1083020), (68020, 1028869), (108302, 646190), (129238, 541510), (216604, 323095), (258476, 270755)]