199441760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{25439}}^1$

素因数の和:25468

約数の個数: 72

約数和(自身を含む): 548130240

約数和(自身を除く): 348688480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 25439, 50878, 101756, 127195, 178073, 203512, 254390, 356146, 407024, 508780, 712292, 814048, 890365, 1017560, 1246511, 1424584, 1780730, 2035120, 2493022, 2849168, 3561460, 4070240, 4986044, 5698336, 6232555, 7122920, 9972088, 12465110, 14245840, 19944176, 24930220, 28491680, 39888352, 49860440, 99720880, 199441760]

約数ペア:

[(1, 199441760), (2, 99720880), (4, 49860440), (5, 39888352), (7, 28491680), (8, 24930220), (10, 19944176), (14, 14245840), (16, 12465110), (20, 9972088), (28, 7122920), (32, 6232555), (35, 5698336), (40, 4986044), (49, 4070240), (56, 3561460), (70, 2849168), (80, 2493022), (98, 2035120), (112, 1780730), (140, 1424584), (160, 1246511), (196, 1017560), (224, 890365), (245, 814048), (280, 712292), (392, 508780), (490, 407024), (560, 356146), (784, 254390), (980, 203512), (1120, 178073), (1568, 127195), (1960, 101756), (3920, 50878), (7840, 25439)]