319580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:86

約数の個数: 36

約数和(自身を含む): 731640

約数和(自身を除く): 412060

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 841, 1102, 1682, 2204, 2755, 3364, 4205, 5510, 8410, 11020, 15979, 16820, 31958, 63916, 79895, 159790, 319580]

約数ペア:

[(1, 319580), (2, 159790), (4, 79895), (5, 63916), (10, 31958), (19, 16820), (20, 15979), (29, 11020), (38, 8410), (58, 5510), (76, 4205), (95, 3364), (116, 2755), (145, 2204), (190, 1682), (290, 1102), (380, 841), (551, 580)]