77549080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276961}}^1$

素因数の和:276979

約数の個数: 32

約数和(自身を含む): 199412640

約数和(自身を除く): 121863560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276961, 553922, 1107844, 1384805, 1938727, 2215688, 2769610, 3877454, 5539220, 7754908, 9693635, 11078440, 15509816, 19387270, 38774540, 77549080]

約数ペア:

[(1, 77549080), (2, 38774540), (4, 19387270), (5, 15509816), (7, 11078440), (8, 9693635), (10, 7754908), (14, 5539220), (20, 3877454), (28, 2769610), (35, 2215688), (40, 1938727), (56, 1384805), (70, 1107844), (140, 553922), (280, 276961)]