212236420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{87701}}^1$

素因数の和:87732

約数の個数: 36

約数和(自身を含む): 489903372

約数和(自身を除く): 277666952

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 87701, 175402, 350804, 438505, 877010, 964711, 1754020, 1929422, 3858844, 4823555, 9647110, 10611821, 19294220, 21223642, 42447284, 53059105, 106118210, 212236420]

約数ペア:

[(1, 212236420), (2, 106118210), (4, 53059105), (5, 42447284), (10, 21223642), (11, 19294220), (20, 10611821), (22, 9647110), (44, 4823555), (55, 3858844), (110, 1929422), (121, 1754020), (220, 964711), (242, 877010), (484, 438505), (605, 350804), (1210, 175402), (2420, 87701)]