72719900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{66109}}^1$

素因数の和:66134

約数の個数: 36

約数和(自身を含む): 172150440

約数和(自身を除く): 99430540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 66109, 132218, 264436, 330545, 661090, 727199, 1322180, 1454398, 1652725, 2908796, 3305450, 3635995, 6610900, 7271990, 14543980, 18179975, 36359950, 72719900]

約数ペア:

[(1, 72719900), (2, 36359950), (4, 18179975), (5, 14543980), (10, 7271990), (11, 6610900), (20, 3635995), (22, 3305450), (25, 2908796), (44, 1652725), (50, 1454398), (55, 1322180), (100, 727199), (110, 661090), (220, 330545), (275, 264436), (550, 132218), (1100, 66109)]