419440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{107}}^1$

素因数の和:134

約数の個数: 60

約数和(自身を含む): 1145016

約数和(自身を除く): 725576

約数列:

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

約数ペア:

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