315020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 697200

約数和(自身を除く): 382180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 829, 1658, 3316, 4145, 8290, 15751, 16580, 31502, 63004, 78755, 157510, 315020]

約数ペア:

[(1, 315020), (2, 157510), (4, 78755), (5, 63004), (10, 31502), (19, 16580), (20, 15751), (38, 8290), (76, 4145), (95, 3316), (190, 1658), (380, 829)]