254149720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{577613}}^1$

素因数の和:577635

約数の個数: 32

約数和(自身を含む): 623823120

約数和(自身を除く): 369673400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 577613, 1155226, 2310452, 2888065, 4620904, 5776130, 6353743, 11552260, 12707486, 23104520, 25414972, 31768715, 50829944, 63537430, 127074860, 254149720]

約数ペア:

[(1, 254149720), (2, 127074860), (4, 63537430), (5, 50829944), (8, 31768715), (10, 25414972), (11, 23104520), (20, 12707486), (22, 11552260), (40, 6353743), (44, 5776130), (55, 4620904), (88, 2888065), (110, 2310452), (220, 1155226), (440, 577613)]