440078418

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 1127730240

約数和(自身を除く): 687651822

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 31, 38, 39, 57, 62, 78, 93, 103, 114, 117, 171, 186, 206, 234, 247, 279, 309, 342, 403, 494, 558, 589, 618, 741, 806, 927, 961, 1178, 1209, 1339, 1482, 1767, 1854, 1922, 1957, 2223, 2418, 2678, 2883, 3193, 3534, 3627, 3914, 4017, 4446, 5301, 5766, 5871, 6386, 7254, 7657, 8034, 8649, 9579, 10602, 11742, 12051, 12493, 15314, 17298, 17613, 18259, 19158, 22971, 24102, 24986, 25441, 28737, 35226, 36518, 37479, 41509, 45942, 50882, 54777, 57474, 60667, 68913, 74958, 76323, 83018, 98983, 109554, 112437, 121334, 124527, 137826, 152646, 164331, 182001, 197966, 224874, 228969, 237367, 249054, 296949, 328662, 364002, 373581, 457938, 474734, 546003, 593898, 712101, 747162, 788671, 890847, 1092006, 1286779, 1424202, 1577342, 1781694, 1880677, 2136303, 2366013, 2573558, 3761354, 3860337, 4272606, 4732026, 5642031, 7098039, 7720674, 11284062, 11581011, 14196078, 16926093, 23162022, 24448801, 33852186, 48897602, 73346403, 146692806, 220039209, 440078418]

約数ペア:

[(1, 440078418), (2, 220039209), (3, 146692806), (6, 73346403), (9, 48897602), (13, 33852186), (18, 24448801), (19, 23162022), (26, 16926093), (31, 14196078), (38, 11581011), (39, 11284062), (57, 7720674), (62, 7098039), (78, 5642031), (93, 4732026), (103, 4272606), (114, 3860337), (117, 3761354), (171, 2573558), (186, 2366013), (206, 2136303), (234, 1880677), (247, 1781694), (279, 1577342), (309, 1424202), (342, 1286779), (403, 1092006), (494, 890847), (558, 788671), (589, 747162), (618, 712101), (741, 593898), (806, 546003), (927, 474734), (961, 457938), (1178, 373581), (1209, 364002), (1339, 328662), (1482, 296949), (1767, 249054), (1854, 237367), (1922, 228969), (1957, 224874), (2223, 197966), (2418, 182001), (2678, 164331), (2883, 152646), (3193, 137826), (3534, 124527), (3627, 121334), (3914, 112437), (4017, 109554), (4446, 98983), (5301, 83018), (5766, 76323), (5871, 74958), (6386, 68913), (7254, 60667), (7657, 57474), (8034, 54777), (8649, 50882), (9579, 45942), (10602, 41509), (11742, 37479), (12051, 36518), (12493, 35226), (15314, 28737), (17298, 25441), (17613, 24986), (18259, 24102), (19158, 22971)]