400474074

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:676

約数の個数: 128

約数和(自身を含む): 1085736960

約数和(自身を除く): 685262886

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 131, 143, 154, 182, 231, 262, 273, 286, 393, 429, 462, 509, 546, 786, 858, 917, 1001, 1018, 1441, 1527, 1703, 1834, 2002, 2751, 2882, 3003, 3054, 3406, 3563, 4323, 5109, 5502, 5599, 6006, 6617, 7126, 8646, 10087, 10218, 10689, 11198, 11921, 13234, 16797, 18733, 19851, 20174, 21378, 23842, 30261, 33594, 35763, 37466, 39193, 39702, 46319, 56199, 60522, 66679, 71526, 72787, 78386, 92638, 112398, 117579, 131131, 133358, 138957, 145574, 200037, 218361, 235158, 262262, 277914, 393393, 400074, 436722, 466753, 509509, 733469, 786786, 866827, 933506, 1019018, 1400259, 1466938, 1528527, 1733654, 2200407, 2600481, 2800518, 3057054, 4400814, 5134283, 5200962, 6067789, 9535097, 10268566, 12135578, 15402849, 18203367, 19070194, 28605291, 30805698, 36406734, 57210582, 66745679, 133491358, 200237037, 400474074]

約数ペア:

[(1, 400474074), (2, 200237037), (3, 133491358), (6, 66745679), (7, 57210582), (11, 36406734), (13, 30805698), (14, 28605291), (21, 19070194), (22, 18203367), (26, 15402849), (33, 12135578), (39, 10268566), (42, 9535097), (66, 6067789), (77, 5200962), (78, 5134283), (91, 4400814), (131, 3057054), (143, 2800518), (154, 2600481), (182, 2200407), (231, 1733654), (262, 1528527), (273, 1466938), (286, 1400259), (393, 1019018), (429, 933506), (462, 866827), (509, 786786), (546, 733469), (786, 509509), (858, 466753), (917, 436722), (1001, 400074), (1018, 393393), (1441, 277914), (1527, 262262), (1703, 235158), (1834, 218361), (2002, 200037), (2751, 145574), (2882, 138957), (3003, 133358), (3054, 131131), (3406, 117579), (3563, 112398), (4323, 92638), (5109, 78386), (5502, 72787), (5599, 71526), (6006, 66679), (6617, 60522), (7126, 56199), (8646, 46319), (10087, 39702), (10218, 39193), (10689, 37466), (11198, 35763), (11921, 33594), (13234, 30261), (16797, 23842), (18733, 21378), (19851, 20174)]