253319080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4057}}^1$

素因数の和:4298

約数の個数: 64

約数和(自身を含む): 654474240

約数和(自身を除く): 401155160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1115, 1561, 1784, 2230, 3122, 4057, 4460, 6244, 7805, 8114, 8920, 12488, 15610, 16228, 20285, 28399, 31220, 32456, 40570, 56798, 62440, 81140, 113596, 141995, 162280, 227192, 283990, 567980, 904711, 1135960, 1809422, 3618844, 4523555, 6332977, 7237688, 9047110, 12665954, 18094220, 25331908, 31664885, 36188440, 50663816, 63329770, 126659540, 253319080]

約数ペア:

[(1, 253319080), (2, 126659540), (4, 63329770), (5, 50663816), (7, 36188440), (8, 31664885), (10, 25331908), (14, 18094220), (20, 12665954), (28, 9047110), (35, 7237688), (40, 6332977), (56, 4523555), (70, 3618844), (140, 1809422), (223, 1135960), (280, 904711), (446, 567980), (892, 283990), (1115, 227192), (1561, 162280), (1784, 141995), (2230, 113596), (3122, 81140), (4057, 62440), (4460, 56798), (6244, 40570), (7805, 32456), (8114, 31220), (8920, 28399), (12488, 20285), (15610, 16228)]