278320812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 825834240

約数和(自身を除く): 547513428

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 139, 154, 197, 231, 242, 278, 308, 363, 394, 417, 462, 484, 556, 591, 726, 788, 834, 847, 924, 973, 1182, 1379, 1452, 1529, 1668, 1694, 1946, 2167, 2364, 2541, 2758, 2919, 3058, 3388, 3892, 4137, 4334, 4587, 5082, 5516, 5838, 6116, 6501, 8274, 8668, 9174, 10164, 10703, 11676, 13002, 15169, 16548, 16819, 18348, 21406, 23837, 26004, 27383, 30338, 32109, 33638, 42812, 45507, 47674, 50457, 54766, 60676, 64218, 67276, 71511, 82149, 91014, 95348, 100914, 109532, 117733, 128436, 143022, 164298, 166859, 182028, 191681, 201828, 235466, 286044, 301213, 328596, 333718, 353199, 383362, 470932, 500577, 575043, 602426, 667436, 706398, 766724, 903639, 1001154, 1150086, 1204852, 1412796, 1807278, 2002308, 2108491, 2300172, 3313343, 3614556, 4216982, 6325473, 6626686, 8433964, 9940029, 12650946, 13253372, 19880058, 23193401, 25301892, 39760116, 46386802, 69580203, 92773604, 139160406, 278320812]

約数ペア:

[(1, 278320812), (2, 139160406), (3, 92773604), (4, 69580203), (6, 46386802), (7, 39760116), (11, 25301892), (12, 23193401), (14, 19880058), (21, 13253372), (22, 12650946), (28, 9940029), (33, 8433964), (42, 6626686), (44, 6325473), (66, 4216982), (77, 3614556), (84, 3313343), (121, 2300172), (132, 2108491), (139, 2002308), (154, 1807278), (197, 1412796), (231, 1204852), (242, 1150086), (278, 1001154), (308, 903639), (363, 766724), (394, 706398), (417, 667436), (462, 602426), (484, 575043), (556, 500577), (591, 470932), (726, 383362), (788, 353199), (834, 333718), (847, 328596), (924, 301213), (973, 286044), (1182, 235466), (1379, 201828), (1452, 191681), (1529, 182028), (1668, 166859), (1694, 164298), (1946, 143022), (2167, 128436), (2364, 117733), (2541, 109532), (2758, 100914), (2919, 95348), (3058, 91014), (3388, 82149), (3892, 71511), (4137, 67276), (4334, 64218), (4587, 60676), (5082, 54766), (5516, 50457), (5838, 47674), (6116, 45507), (6501, 42812), (8274, 33638), (8668, 32109), (9174, 30338), (10164, 27383), (10703, 26004), (11676, 23837), (13002, 21406), (15169, 18348), (16548, 16819)]