355131490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{75721}}^1$

素因数の和:75802

約数の個数: 32

約数和(自身を含む): 741469824

約数和(自身を除く): 386338334

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 75721, 151442, 378605, 530047, 757210, 1060094, 2650235, 5073307, 5300470, 10146614, 25366535, 35513149, 50733070, 71026298, 177565745, 355131490]

約数ペア:

[(1, 355131490), (2, 177565745), (5, 71026298), (7, 50733070), (10, 35513149), (14, 25366535), (35, 10146614), (67, 5300470), (70, 5073307), (134, 2650235), (335, 1060094), (469, 757210), (670, 530047), (938, 378605), (2345, 151442), (4690, 75721)]