211280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 520800

約数和(自身を除く): 309520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 556, 695, 760, 1112, 1390, 1520, 2224, 2641, 2780, 5282, 5560, 10564, 11120, 13205, 21128, 26410, 42256, 52820, 105640, 211280]

約数ペア:

[(1, 211280), (2, 105640), (4, 52820), (5, 42256), (8, 26410), (10, 21128), (16, 13205), (19, 11120), (20, 10564), (38, 5560), (40, 5282), (76, 2780), (80, 2641), (95, 2224), (139, 1520), (152, 1390), (190, 1112), (278, 760), (304, 695), (380, 556)]