389631400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 932362200

約数和(自身を除く): 542730800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 109, 122, 200, 218, 244, 293, 305, 436, 488, 545, 586, 610, 872, 1090, 1172, 1220, 1465, 1525, 2180, 2344, 2440, 2725, 2930, 3050, 4360, 5450, 5860, 6100, 6649, 7325, 10900, 11720, 12200, 13298, 14650, 17873, 21800, 26596, 29300, 31937, 33245, 35746, 53192, 58600, 63874, 66490, 71492, 89365, 127748, 132980, 142984, 159685, 166225, 178730, 255496, 265960, 319370, 332450, 357460, 446825, 638740, 664900, 714920, 798425, 893650, 1277480, 1329800, 1596850, 1787300, 1948157, 3193700, 3574600, 3896314, 6387400, 7792628, 9740785, 15585256, 19481570, 38963140, 48703925, 77926280, 97407850, 194815700, 389631400]

約数ペア:

[(1, 389631400), (2, 194815700), (4, 97407850), (5, 77926280), (8, 48703925), (10, 38963140), (20, 19481570), (25, 15585256), (40, 9740785), (50, 7792628), (61, 6387400), (100, 3896314), (109, 3574600), (122, 3193700), (200, 1948157), (218, 1787300), (244, 1596850), (293, 1329800), (305, 1277480), (436, 893650), (488, 798425), (545, 714920), (586, 664900), (610, 638740), (872, 446825), (1090, 357460), (1172, 332450), (1220, 319370), (1465, 265960), (1525, 255496), (2180, 178730), (2344, 166225), (2440, 159685), (2725, 142984), (2930, 132980), (3050, 127748), (4360, 89365), (5450, 71492), (5860, 66490), (6100, 63874), (6649, 58600), (7325, 53192), (10900, 35746), (11720, 33245), (12200, 31937), (13298, 29300), (14650, 26596), (17873, 21800)]