255450020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{6733}}^1$

素因数の和:7020

約数の個数: 48

約数和(自身を含む): 615433728

約数和(自身を除く): 359983708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1897, 2710, 3794, 5420, 6733, 7588, 9485, 13466, 18970, 26932, 33665, 37940, 47131, 67330, 94262, 134660, 188524, 235655, 471310, 942620, 1824643, 3649286, 7298572, 9123215, 12772501, 18246430, 25545002, 36492860, 51090004, 63862505, 127725010, 255450020]

約数ペア:

[(1, 255450020), (2, 127725010), (4, 63862505), (5, 51090004), (7, 36492860), (10, 25545002), (14, 18246430), (20, 12772501), (28, 9123215), (35, 7298572), (70, 3649286), (140, 1824643), (271, 942620), (542, 471310), (1084, 235655), (1355, 188524), (1897, 134660), (2710, 94262), (3794, 67330), (5420, 47131), (6733, 37940), (7588, 33665), (9485, 26932), (13466, 18970)]