66788270

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 122938560

約数和(自身を除く): 56150290

約数列:

[1, 2, 5, 10, 89, 101, 178, 202, 445, 505, 743, 890, 1010, 1486, 3715, 7430, 8989, 17978, 44945, 66127, 75043, 89890, 132254, 150086, 330635, 375215, 661270, 750430, 6678827, 13357654, 33394135, 66788270]

約数ペア:

[(1, 66788270), (2, 33394135), (5, 13357654), (10, 6678827), (89, 750430), (101, 661270), (178, 375215), (202, 330635), (445, 150086), (505, 132254), (743, 89890), (890, 75043), (1010, 66127), (1486, 44945), (3715, 17978), (7430, 8989)]