211312420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6361}}^1$

素因数の和:6532

約数の個数: 48

約数和(自身を含む): 487380096

約数和(自身を除く): 276067676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1510, 1661, 3020, 3322, 6361, 6644, 8305, 12722, 16610, 25444, 31805, 33220, 63610, 69971, 127220, 139942, 279884, 349855, 699710, 960511, 1399420, 1921022, 3842044, 4802555, 9605110, 10565621, 19210220, 21131242, 42262484, 52828105, 105656210, 211312420]

約数ペア:

[(1, 211312420), (2, 105656210), (4, 52828105), (5, 42262484), (10, 21131242), (11, 19210220), (20, 10565621), (22, 9605110), (44, 4802555), (55, 3842044), (110, 1921022), (151, 1399420), (220, 960511), (302, 699710), (604, 349855), (755, 279884), (1510, 139942), (1661, 127220), (3020, 69971), (3322, 63610), (6361, 33220), (6644, 31805), (8305, 25444), (12722, 16610)]