397068560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{101293}}^1$

素因数の和:101320

約数の個数: 60

約数和(自身を含む): 1073918988

約数和(自身を除く): 676850428

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 101293, 202586, 405172, 506465, 709051, 810344, 1012930, 1418102, 1620688, 2025860, 2836204, 3545255, 4051720, 4963357, 5672408, 7090510, 8103440, 9926714, 11344816, 14181020, 19853428, 24816785, 28362040, 39706856, 49633570, 56724080, 79413712, 99267140, 198534280, 397068560]

約数ペア:

[(1, 397068560), (2, 198534280), (4, 99267140), (5, 79413712), (7, 56724080), (8, 49633570), (10, 39706856), (14, 28362040), (16, 24816785), (20, 19853428), (28, 14181020), (35, 11344816), (40, 9926714), (49, 8103440), (56, 7090510), (70, 5672408), (80, 4963357), (98, 4051720), (112, 3545255), (140, 2836204), (196, 2025860), (245, 1620688), (280, 1418102), (392, 1012930), (490, 810344), (560, 709051), (784, 506465), (980, 405172), (1960, 202586), (3920, 101293)]