388862120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^2\times {\mathrm{953}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 884615580

約数和(自身を除く): 495753460

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 953, 1010, 1906, 2020, 3812, 4040, 4765, 7624, 9530, 10201, 19060, 20402, 38120, 40804, 51005, 81608, 96253, 102010, 192506, 204020, 385012, 408040, 481265, 770024, 962530, 1925060, 3850120, 9721553, 19443106, 38886212, 48607765, 77772424, 97215530, 194431060, 388862120]

約数ペア:

[(1, 388862120), (2, 194431060), (4, 97215530), (5, 77772424), (8, 48607765), (10, 38886212), (20, 19443106), (40, 9721553), (101, 3850120), (202, 1925060), (404, 962530), (505, 770024), (808, 481265), (953, 408040), (1010, 385012), (1906, 204020), (2020, 192506), (3812, 102010), (4040, 96253), (4765, 81608), (7624, 51005), (9530, 40804), (10201, 38120), (19060, 20402)]