66237220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67589}}^1$

素因数の和:67612

約数の個数: 36

約数和(自身を含む): 161810460

約数和(自身を除く): 95573240

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67589, 135178, 270356, 337945, 473123, 675890, 946246, 1351780, 1892492, 2365615, 3311861, 4731230, 6623722, 9462460, 13247444, 16559305, 33118610, 66237220]

約数ペア:

[(1, 66237220), (2, 33118610), (4, 16559305), (5, 13247444), (7, 9462460), (10, 6623722), (14, 4731230), (20, 3311861), (28, 2365615), (35, 1892492), (49, 1351780), (70, 946246), (98, 675890), (140, 473123), (196, 337945), (245, 270356), (490, 135178), (980, 67589)]