278857236

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 796340160

約数和(自身を除く): 517482924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 43, 49, 82, 84, 86, 98, 123, 129, 147, 164, 172, 196, 246, 258, 269, 287, 294, 301, 492, 516, 538, 574, 588, 602, 807, 861, 903, 1076, 1148, 1204, 1614, 1722, 1763, 1806, 1883, 2009, 2107, 3228, 3444, 3526, 3612, 3766, 4018, 4214, 5289, 5649, 6027, 6321, 7052, 7532, 8036, 8428, 10578, 11029, 11298, 11567, 12054, 12341, 12642, 13181, 21156, 22058, 22596, 23134, 24108, 24682, 25284, 26362, 33087, 34701, 37023, 39543, 44116, 46268, 49364, 52724, 66174, 69402, 74046, 77203, 79086, 80969, 86387, 132348, 138804, 148092, 154406, 158172, 161938, 172774, 231609, 242907, 259161, 308812, 323876, 345548, 463218, 474247, 485814, 518322, 540421, 566783, 926436, 948494, 971628, 1036644, 1080842, 1133566, 1422741, 1621263, 1700349, 1896988, 2161684, 2267132, 2845482, 3242526, 3319729, 3400698, 5690964, 6485052, 6639458, 6801396, 9959187, 13278916, 19918374, 23238103, 39836748, 46476206, 69714309, 92952412, 139428618, 278857236]

約数ペア:

[(1, 278857236), (2, 139428618), (3, 92952412), (4, 69714309), (6, 46476206), (7, 39836748), (12, 23238103), (14, 19918374), (21, 13278916), (28, 9959187), (41, 6801396), (42, 6639458), (43, 6485052), (49, 5690964), (82, 3400698), (84, 3319729), (86, 3242526), (98, 2845482), (123, 2267132), (129, 2161684), (147, 1896988), (164, 1700349), (172, 1621263), (196, 1422741), (246, 1133566), (258, 1080842), (269, 1036644), (287, 971628), (294, 948494), (301, 926436), (492, 566783), (516, 540421), (538, 518322), (574, 485814), (588, 474247), (602, 463218), (807, 345548), (861, 323876), (903, 308812), (1076, 259161), (1148, 242907), (1204, 231609), (1614, 172774), (1722, 161938), (1763, 158172), (1806, 154406), (1883, 148092), (2009, 138804), (2107, 132348), (3228, 86387), (3444, 80969), (3526, 79086), (3612, 77203), (3766, 74046), (4018, 69402), (4214, 66174), (5289, 52724), (5649, 49364), (6027, 46268), (6321, 44116), (7052, 39543), (7532, 37023), (8036, 34701), (8428, 33087), (10578, 26362), (11029, 25284), (11298, 24682), (11567, 24108), (12054, 23134), (12341, 22596), (12642, 22058), (13181, 21156)]