142788730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{27943}}^1$

素因数の和:28030

約数の個数: 32

約数和(自身を含む): 297771264

約数和(自身を除く): 154982534

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 27943, 55886, 139715, 195601, 279430, 391202, 978005, 1956010, 2039839, 4079678, 10199195, 14278873, 20398390, 28557746, 71394365, 142788730]

約数ペア:

[(1, 142788730), (2, 71394365), (5, 28557746), (7, 20398390), (10, 14278873), (14, 10199195), (35, 4079678), (70, 2039839), (73, 1956010), (146, 978005), (365, 391202), (511, 279430), (730, 195601), (1022, 139715), (2555, 55886), (5110, 27943)]