147978400

素因数分解:

$2^5\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1697}}^1$

素因数の和:1826

約数の個数: 72

約数和(自身を含む): 364781340

約数和(自身を除く): 216802940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 109, 160, 200, 218, 400, 436, 545, 800, 872, 1090, 1697, 1744, 2180, 2725, 3394, 3488, 4360, 5450, 6788, 8485, 8720, 10900, 13576, 16970, 17440, 21800, 27152, 33940, 42425, 43600, 54304, 67880, 84850, 87200, 135760, 169700, 184973, 271520, 339400, 369946, 678800, 739892, 924865, 1357600, 1479784, 1849730, 2959568, 3699460, 4624325, 5919136, 7398920, 9248650, 14797840, 18497300, 29595680, 36994600, 73989200, 147978400]

約数ペア:

[(1, 147978400), (2, 73989200), (4, 36994600), (5, 29595680), (8, 18497300), (10, 14797840), (16, 9248650), (20, 7398920), (25, 5919136), (32, 4624325), (40, 3699460), (50, 2959568), (80, 1849730), (100, 1479784), (109, 1357600), (160, 924865), (200, 739892), (218, 678800), (400, 369946), (436, 339400), (545, 271520), (800, 184973), (872, 169700), (1090, 135760), (1697, 87200), (1744, 84850), (2180, 67880), (2725, 54304), (3394, 43600), (3488, 42425), (4360, 33940), (5450, 27152), (6788, 21800), (8485, 17440), (8720, 16970), (10900, 13576)]