838880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{107}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 2326968

約数和(自身を除く): 1488088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 107, 112, 140, 160, 196, 214, 224, 245, 280, 392, 428, 490, 535, 560, 749, 784, 856, 980, 1070, 1120, 1498, 1568, 1712, 1960, 2140, 2996, 3424, 3745, 3920, 4280, 5243, 5992, 7490, 7840, 8560, 10486, 11984, 14980, 17120, 20972, 23968, 26215, 29960, 41944, 52430, 59920, 83888, 104860, 119840, 167776, 209720, 419440, 838880]

約数ペア:

[(1, 838880), (2, 419440), (4, 209720), (5, 167776), (7, 119840), (8, 104860), (10, 83888), (14, 59920), (16, 52430), (20, 41944), (28, 29960), (32, 26215), (35, 23968), (40, 20972), (49, 17120), (56, 14980), (70, 11984), (80, 10486), (98, 8560), (107, 7840), (112, 7490), (140, 5992), (160, 5243), (196, 4280), (214, 3920), (224, 3745), (245, 3424), (280, 2996), (392, 2140), (428, 1960), (490, 1712), (535, 1568), (560, 1498), (749, 1120), (784, 1070), (856, 980)]