72247780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1667}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 166453056

約数和(自身を除く): 94205276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1667, 1970, 2167, 3334, 3940, 4334, 6668, 8335, 8668, 10835, 16670, 18337, 21670, 33340, 36674, 43340, 73348, 91685, 183370, 328399, 366740, 656798, 1313596, 1641995, 3283990, 3612389, 6567980, 7224778, 14449556, 18061945, 36123890, 72247780]

約数ペア:

[(1, 72247780), (2, 36123890), (4, 18061945), (5, 14449556), (10, 7224778), (11, 6567980), (20, 3612389), (22, 3283990), (44, 1641995), (55, 1313596), (110, 656798), (197, 366740), (220, 328399), (394, 183370), (788, 91685), (985, 73348), (1667, 43340), (1970, 36674), (2167, 33340), (3334, 21670), (3940, 18337), (4334, 16670), (6668, 10835), (8335, 8668)]