121388680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61933}}^1$

素因数の和:61958

約数の個数: 48

約数和(自身を含む): 317721420

約数和(自身を除く): 196332740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 61933, 123866, 247732, 309665, 433531, 495464, 619330, 867062, 1238660, 1734124, 2167655, 2477320, 3034717, 3468248, 4335310, 6069434, 8670620, 12138868, 15173585, 17341240, 24277736, 30347170, 60694340, 121388680]

約数ペア:

[(1, 121388680), (2, 60694340), (4, 30347170), (5, 24277736), (7, 17341240), (8, 15173585), (10, 12138868), (14, 8670620), (20, 6069434), (28, 4335310), (35, 3468248), (40, 3034717), (49, 2477320), (56, 2167655), (70, 1734124), (98, 1238660), (140, 867062), (196, 619330), (245, 495464), (280, 433531), (392, 309665), (490, 247732), (980, 123866), (1960, 61933)]