16142980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 39344256

約数和(自身を除く): 23201276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1721, 1876, 2345, 3442, 4690, 6884, 8605, 9380, 12047, 17210, 24094, 34420, 48188, 60235, 115307, 120470, 230614, 240940, 461228, 576535, 807149, 1153070, 1614298, 2306140, 3228596, 4035745, 8071490, 16142980]

約数ペア:

[(1, 16142980), (2, 8071490), (4, 4035745), (5, 3228596), (7, 2306140), (10, 1614298), (14, 1153070), (20, 807149), (28, 576535), (35, 461228), (67, 240940), (70, 230614), (134, 120470), (140, 115307), (268, 60235), (335, 48188), (469, 34420), (670, 24094), (938, 17210), (1340, 12047), (1721, 9380), (1876, 8605), (2345, 6884), (3442, 4690)]