72254140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7703}}^1$

素因数の和:7786

約数の個数: 48

約数和(自身を含む): 176020992

約数和(自身を除く): 103766852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 7703, 9380, 15406, 30812, 38515, 53921, 77030, 107842, 154060, 215684, 269605, 516101, 539210, 1032202, 1078420, 2064404, 2580505, 3612707, 5161010, 7225414, 10322020, 14450828, 18063535, 36127070, 72254140]

約数ペア:

[(1, 72254140), (2, 36127070), (4, 18063535), (5, 14450828), (7, 10322020), (10, 7225414), (14, 5161010), (20, 3612707), (28, 2580505), (35, 2064404), (67, 1078420), (70, 1032202), (134, 539210), (140, 516101), (268, 269605), (335, 215684), (469, 154060), (670, 107842), (938, 77030), (1340, 53921), (1876, 38515), (2345, 30812), (4690, 15406), (7703, 9380)]